Home / 28,252,362.92-42,356,989.13-12,888,908.28

Finding the Fourth Proportional to 28,252,362.92, 42,356,989.13 and 12,888,908.28

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Solution

The fourth proportional to 28,252,362.92, 42,356,989.13 and 12,888,908.28 is: 19,323,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252,362.92 : 42,356,989.13 = 12,888,908.28 : x
  2. Step 2: Convert to fraction form
    28,252,362.92/42,356,989.13 = 12,888,908.28/x
  3. Step 3: Cross multiply
    28,252,362.92x = 42,356,989.13 × 12,888,908.28
  4. Step 4: Simplify right side
    28,252,362.92x = 545,935,347,849,082.44
  5. Step 5: Solve for x
    x = 545,935,347,849,082.44/28,252,362.92
  6. Step 6: Final answer
    x = 19,323,528.78

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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.