Home / 8,509,688.28-11,793,050.21-8,348,200.20

Finding the Fourth Proportional to 8,509,688.28, 11,793,050.21 and 8,348,200.20

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Solution

The fourth proportional to 8,509,688.28, 11,793,050.21 and 8,348,200.20 is: 11,569,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,688.28 : 11,793,050.21 = 8,348,200.20 : x
  2. Step 2: Convert to fraction form
    8,509,688.28/11,793,050.21 = 8,348,200.20/x
  3. Step 3: Cross multiply
    8,509,688.28x = 11,793,050.21 × 8,348,200.20
  4. Step 4: Simplify right side
    8,509,688.28x = 98,450,744,142,602.55
  5. Step 5: Solve for x
    x = 98,450,744,142,602.55/8,509,688.28
  6. Step 6: Final answer
    x = 11,569,253.88

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.