Home / 15,335,057.40-21,160,908.86-8,459,096.59

Finding the Fourth Proportional to 15,335,057.40, 21,160,908.86 and 8,459,096.59

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Solution

The fourth proportional to 15,335,057.40, 21,160,908.86 and 8,459,096.59 is: 11,672,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335,057.40 : 21,160,908.86 = 8,459,096.59 : x
  2. Step 2: Convert to fraction form
    15,335,057.40/21,160,908.86 = 8,459,096.59/x
  3. Step 3: Cross multiply
    15,335,057.40x = 21,160,908.86 × 8,459,096.59
  4. Step 4: Simplify right side
    15,335,057.40x = 179,002,171,963,082.47
  5. Step 5: Solve for x
    x = 179,002,171,963,082.47/15,335,057.40
  6. Step 6: Final answer
    x = 11,672,742.22

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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.