Home / 10,186,711.20-15,280,066.80-4,124,347.20

Finding the Fourth Proportional to 10,186,711.20, 15,280,066.80 and 4,124,347.20

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Solution

The fourth proportional to 10,186,711.20, 15,280,066.80 and 4,124,347.20 is: 6,186,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186,711.20 : 15,280,066.80 = 4,124,347.20 : x
  2. Step 2: Convert to fraction form
    10,186,711.20/15,280,066.80 = 4,124,347.20/x
  3. Step 3: Cross multiply
    10,186,711.20x = 15,280,066.80 × 4,124,347.20
  4. Step 4: Simplify right side
    10,186,711.20x = 63,020,300,722,392.97
  5. Step 5: Solve for x
    x = 63,020,300,722,392.97/10,186,711.20
  6. Step 6: Final answer
    x = 6,186,520.80

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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.