Home / 15,515,820.40-23,284,228.20-6,991,769.20

Finding the Fourth Proportional to 15,515,820.40, 23,284,228.20 and 6,991,769.20

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Solution

The fourth proportional to 15,515,820.40, 23,284,228.20 and 6,991,769.20 is: 10,492,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,820.40 : 23,284,228.20 = 6,991,769.20 : x
  2. Step 2: Convert to fraction form
    15,515,820.40/23,284,228.20 = 6,991,769.20/x
  3. Step 3: Cross multiply
    15,515,820.40x = 23,284,228.20 × 6,991,769.20
  4. Step 4: Simplify right side
    15,515,820.40x = 162,797,949,574,531.44
  5. Step 5: Solve for x
    x = 162,797,949,574,531.44/15,515,820.40
  6. Step 6: Final answer
    x = 10,492,384.25

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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.