Home / 15,004,868.04-20,706,737.94-8,129,349.96

Finding the Fourth Proportional to 15,004,868.04, 20,706,737.94 and 8,129,349.96

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Solution

The fourth proportional to 15,004,868.04, 20,706,737.94 and 8,129,349.96 is: 11,218,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,868.04 : 20,706,737.94 = 8,129,349.96 : x
  2. Step 2: Convert to fraction form
    15,004,868.04/20,706,737.94 = 8,129,349.96/x
  3. Step 3: Cross multiply
    15,004,868.04x = 20,706,737.94 × 8,129,349.96
  4. Step 4: Simplify right side
    15,004,868.04x = 168,332,319,244,269.50
  5. Step 5: Solve for x
    x = 168,332,319,244,269.50/15,004,868.04
  6. Step 6: Final answer
    x = 11,218,513.80

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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.