Home / 20,384,490.48-28,130,240.94-11,091,747.04

Finding the Fourth Proportional to 20,384,490.48, 28,130,240.94 and 11,091,747.04

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Solution

The fourth proportional to 20,384,490.48, 28,130,240.94 and 11,091,747.04 is: 15,306,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384,490.48 : 28,130,240.94 = 11,091,747.04 : x
  2. Step 2: Convert to fraction form
    20,384,490.48/28,130,240.94 = 11,091,747.04/x
  3. Step 3: Cross multiply
    20,384,490.48x = 28,130,240.94 × 11,091,747.04
  4. Step 4: Simplify right side
    20,384,490.48x = 312,013,516,680,731.81
  5. Step 5: Solve for x
    x = 312,013,516,680,731.81/20,384,490.48
  6. Step 6: Final answer
    x = 15,306,417.25

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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.