Home / 21,018,704.20-31,528,056.30-16,767,176.20

Finding the Fourth Proportional to 21,018,704.20, 31,528,056.30 and 16,767,176.20

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Solution

The fourth proportional to 21,018,704.20, 31,528,056.30 and 16,767,176.20 is: 25,150,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,704.20 : 31,528,056.30 = 16,767,176.20 : x
  2. Step 2: Convert to fraction form
    21,018,704.20/31,528,056.30 = 16,767,176.20/x
  3. Step 3: Cross multiply
    21,018,704.20x = 31,528,056.30 × 16,767,176.20
  4. Step 4: Simplify right side
    21,018,704.20x = 528,636,475,225,620.06
  5. Step 5: Solve for x
    x = 528,636,475,225,620.06/21,018,704.20
  6. Step 6: Final answer
    x = 25,150,764.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.