Home / 6,541,612.80-9,812,419.20-5,122,881.60

Finding the Fourth Proportional to 6,541,612.80, 9,812,419.20 and 5,122,881.60

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Solution

The fourth proportional to 6,541,612.80, 9,812,419.20 and 5,122,881.60 is: 7,684,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541,612.80 : 9,812,419.20 = 5,122,881.60 : x
  2. Step 2: Convert to fraction form
    6,541,612.80/9,812,419.20 = 5,122,881.60/x
  3. Step 3: Cross multiply
    6,541,612.80x = 9,812,419.20 × 5,122,881.60
  4. Step 4: Simplify right side
    6,541,612.80x = 50,267,861,771,166.71
  5. Step 5: Solve for x
    x = 50,267,861,771,166.71/6,541,612.80
  6. Step 6: Final answer
    x = 7,684,322.40

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Similar ratio
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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.