Home / 8,124,441.62-11,205,192.04-7,142,280.71

Finding the Fourth Proportional to 8,124,441.62, 11,205,192.04 and 7,142,280.71

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Solution

The fourth proportional to 8,124,441.62, 11,205,192.04 and 7,142,280.71 is: 9,850,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,441.62 : 11,205,192.04 = 7,142,280.71 : x
  2. Step 2: Convert to fraction form
    8,124,441.62/11,205,192.04 = 7,142,280.71/x
  3. Step 3: Cross multiply
    8,124,441.62x = 11,205,192.04 × 7,142,280.71
  4. Step 4: Simplify right side
    8,124,441.62x = 80,030,626,885,255.89
  5. Step 5: Solve for x
    x = 80,030,626,885,255.89/8,124,441.62
  6. Step 6: Final answer
    x = 9,850,600.28

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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.