Home / 12,226,089.60-18,339,134.40-6,557,385.60

Finding the Fourth Proportional to 12,226,089.60, 18,339,134.40 and 6,557,385.60

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Solution

The fourth proportional to 12,226,089.60, 18,339,134.40 and 6,557,385.60 is: 9,836,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,089.60 : 18,339,134.40 = 6,557,385.60 : x
  2. Step 2: Convert to fraction form
    12,226,089.60/18,339,134.40 = 6,557,385.60/x
  3. Step 3: Cross multiply
    12,226,089.60x = 18,339,134.40 × 6,557,385.60
  4. Step 4: Simplify right side
    12,226,089.60x = 120,256,775,831,024.62
  5. Step 5: Solve for x
    x = 120,256,775,831,024.62/12,226,089.60
  6. Step 6: Final answer
    x = 9,836,078.40

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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.