Home / 15,725,705.10-21,708,169.15-10,572,056

Finding the Fourth Proportional to 15,725,705.10, 21,708,169.15 and 10,572,056

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Solution

The fourth proportional to 15,725,705.10, 21,708,169.15 and 10,572,056 is: 14,593,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,705.10 : 21,708,169.15 = 10,572,056 : x
  2. Step 2: Convert to fraction form
    15,725,705.10/21,708,169.15 = 10,572,056/x
  3. Step 3: Cross multiply
    15,725,705.10x = 21,708,169.15 × 10,572,056
  4. Step 4: Simplify right side
    15,725,705.10x = 229,499,979,911,272.38
  5. Step 5: Solve for x
    x = 229,499,979,911,272.38/15,725,705.10
  6. Step 6: Final answer
    x = 14,593,938.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.