Home / 8,791,430.48-12,129,419.40-4,923,429.20

Finding the Fourth Proportional to 8,791,430.48, 12,129,419.40 and 4,923,429.20

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Solution

The fourth proportional to 8,791,430.48, 12,129,419.40 and 4,923,429.20 is: 6,792,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,430.48 : 12,129,419.40 = 4,923,429.20 : x
  2. Step 2: Convert to fraction form
    8,791,430.48/12,129,419.40 = 4,923,429.20/x
  3. Step 3: Cross multiply
    8,791,430.48x = 12,129,419.40 × 4,923,429.20
  4. Step 4: Simplify right side
    8,791,430.48x = 59,718,337,653,006.48
  5. Step 5: Solve for x
    x = 59,718,337,653,006.48/8,791,430.48
  6. Step 6: Final answer
    x = 6,792,789.61

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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.