Home / 28,077,337.80-42,116,006.70-9,881,388.45

Finding the Fourth Proportional to 28,077,337.80, 42,116,006.70 and 9,881,388.45

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Solution

The fourth proportional to 28,077,337.80, 42,116,006.70 and 9,881,388.45 is: 14,822,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077,337.80 : 42,116,006.70 = 9,881,388.45 : x
  2. Step 2: Convert to fraction form
    28,077,337.80/42,116,006.70 = 9,881,388.45/x
  3. Step 3: Cross multiply
    28,077,337.80x = 42,116,006.70 × 9,881,388.45
  4. Step 4: Simplify right side
    28,077,337.80x = 416,164,622,165,502.62
  5. Step 5: Solve for x
    x = 416,164,622,165,502.62/28,077,337.80
  6. Step 6: Final answer
    x = 14,822,082.68

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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.