Home / 21,151,966.56-31,727,950.14-13,961,818.50

Finding the Fourth Proportional to 21,151,966.56, 31,727,950.14 and 13,961,818.50

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Solution

The fourth proportional to 21,151,966.56, 31,727,950.14 and 13,961,818.50 is: 20,942,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151,966.56 : 31,727,950.14 = 13,961,818.50 : x
  2. Step 2: Convert to fraction form
    21,151,966.56/31,727,950.14 = 13,961,818.50/x
  3. Step 3: Cross multiply
    21,151,966.56x = 31,727,950.14 × 13,961,818.50
  4. Step 4: Simplify right side
    21,151,966.56x = 442,979,881,231,729.62
  5. Step 5: Solve for x
    x = 442,979,881,231,729.62/21,151,966.56
  6. Step 6: Final answer
    x = 20,942,727.95

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1.5x scale

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.