Home / 8,257,892.60-12,386,838.90-5,234,583.80

Finding the Fourth Proportional to 8,257,892.60, 12,386,838.90 and 5,234,583.80

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Solution

The fourth proportional to 8,257,892.60, 12,386,838.90 and 5,234,583.80 is: 7,851,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,892.60 : 12,386,838.90 = 5,234,583.80 : x
  2. Step 2: Convert to fraction form
    8,257,892.60/12,386,838.90 = 5,234,583.80/x
  3. Step 3: Cross multiply
    8,257,892.60x = 12,386,838.90 × 5,234,583.80
  4. Step 4: Simplify right side
    8,257,892.60x = 64,839,946,239,149.82
  5. Step 5: Solve for x
    x = 64,839,946,239,149.82/8,257,892.60
  6. Step 6: Final answer
    x = 7,851,875.70

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1.5x scale

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.