Home / 20,862,077.70-31,293,116.55-14,484,785.70

Finding the Fourth Proportional to 20,862,077.70, 31,293,116.55 and 14,484,785.70

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Solution

The fourth proportional to 20,862,077.70, 31,293,116.55 and 14,484,785.70 is: 21,727,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,077.70 : 31,293,116.55 = 14,484,785.70 : x
  2. Step 2: Convert to fraction form
    20,862,077.70/31,293,116.55 = 14,484,785.70/x
  3. Step 3: Cross multiply
    20,862,077.70x = 31,293,116.55 × 14,484,785.70
  4. Step 4: Simplify right side
    20,862,077.70x = 453,274,087,111,873.31
  5. Step 5: Solve for x
    x = 453,274,087,111,873.31/20,862,077.70
  6. Step 6: Final answer
    x = 21,727,178.55

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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.