Home / 10,186,470.48-14,057,336.52-5,603,140.56

Finding the Fourth Proportional to 10,186,470.48, 14,057,336.52 and 5,603,140.56

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Solution

The fourth proportional to 10,186,470.48, 14,057,336.52 and 5,603,140.56 is: 7,732,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186,470.48 : 14,057,336.52 = 5,603,140.56 : x
  2. Step 2: Convert to fraction form
    10,186,470.48/14,057,336.52 = 5,603,140.56/x
  3. Step 3: Cross multiply
    10,186,470.48x = 14,057,336.52 × 5,603,140.56
  4. Step 4: Simplify right side
    10,186,470.48x = 78,765,232,420,781.25
  5. Step 5: Solve for x
    x = 78,765,232,420,781.25/10,186,470.48
  6. Step 6: Final answer
    x = 7,732,337.96

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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.