Home / 21,507,635.60-29,680,264.32-11,718,487.52

Finding the Fourth Proportional to 21,507,635.60, 29,680,264.32 and 11,718,487.52

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Solution

The fourth proportional to 21,507,635.60, 29,680,264.32 and 11,718,487.52 is: 16,171,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,635.60 : 29,680,264.32 = 11,718,487.52 : x
  2. Step 2: Convert to fraction form
    21,507,635.60/29,680,264.32 = 11,718,487.52/x
  3. Step 3: Cross multiply
    21,507,635.60x = 29,680,264.32 × 11,718,487.52
  4. Step 4: Simplify right side
    21,507,635.60x = 347,807,807,024,221.25
  5. Step 5: Solve for x
    x = 347,807,807,024,221.25/21,507,635.60
  6. Step 6: Final answer
    x = 16,171,364.14

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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.