Home / 21,492,674.20-32,239,011.30-18,693,314.20

Finding the Fourth Proportional to 21,492,674.20, 32,239,011.30 and 18,693,314.20

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Solution

The fourth proportional to 21,492,674.20, 32,239,011.30 and 18,693,314.20 is: 28,039,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,674.20 : 32,239,011.30 = 18,693,314.20 : x
  2. Step 2: Convert to fraction form
    21,492,674.20/32,239,011.30 = 18,693,314.20/x
  3. Step 3: Cross multiply
    21,492,674.20x = 32,239,011.30 × 18,693,314.20
  4. Step 4: Simplify right side
    21,492,674.20x = 602,653,967,728,250.50
  5. Step 5: Solve for x
    x = 602,653,967,728,250.50/21,492,674.20
  6. Step 6: Final answer
    x = 28,039,971.30

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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.