Home / 7,717,897.20-10,650,000.24-4,280,127.60

Finding the Fourth Proportional to 7,717,897.20, 10,650,000.24 and 4,280,127.60

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Solution

The fourth proportional to 7,717,897.20, 10,650,000.24 and 4,280,127.60 is: 5,906,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717,897.20 : 10,650,000.24 = 4,280,127.60 : x
  2. Step 2: Convert to fraction form
    7,717,897.20/10,650,000.24 = 4,280,127.60/x
  3. Step 3: Cross multiply
    7,717,897.20x = 10,650,000.24 × 4,280,127.60
  4. Step 4: Simplify right side
    7,717,897.20x = 45,583,359,967,230.62
  5. Step 5: Solve for x
    x = 45,583,359,967,230.62/7,717,897.20
  6. Step 6: Final answer
    x = 5,906,189.05

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1.5x scale

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.