Home / 31,954,502.70-47,931,754.05-10,389,807.90

Finding the Fourth Proportional to 31,954,502.70, 47,931,754.05 and 10,389,807.90

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Solution

The fourth proportional to 31,954,502.70, 47,931,754.05 and 10,389,807.90 is: 15,584,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,502.70 : 47,931,754.05 = 10,389,807.90 : x
  2. Step 2: Convert to fraction form
    31,954,502.70/47,931,754.05 = 10,389,807.90/x
  3. Step 3: Cross multiply
    31,954,502.70x = 47,931,754.05 × 10,389,807.90
  4. Step 4: Simplify right side
    31,954,502.70x = 498,001,716,889,547
  5. Step 5: Solve for x
    x = 498,001,716,889,547/31,954,502.70
  6. Step 6: Final answer
    x = 15,584,711.85

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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.