Home / 8,360,107.20-12,540,160.80-5,000,875.20

Finding the Fourth Proportional to 8,360,107.20, 12,540,160.80 and 5,000,875.20

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Solution

The fourth proportional to 8,360,107.20, 12,540,160.80 and 5,000,875.20 is: 7,501,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360,107.20 : 12,540,160.80 = 5,000,875.20 : x
  2. Step 2: Convert to fraction form
    8,360,107.20/12,540,160.80 = 5,000,875.20/x
  3. Step 3: Cross multiply
    8,360,107.20x = 12,540,160.80 × 5,000,875.20
  4. Step 4: Simplify right side
    8,360,107.20x = 62,711,779,148,732.16
  5. Step 5: Solve for x
    x = 62,711,779,148,732.16/8,360,107.20
  6. Step 6: Final answer
    x = 7,501,312.80

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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.