Home / 10,452,683.90-15,679,025.85-9,780,078.89

Finding the Fourth Proportional to 10,452,683.90, 15,679,025.85 and 9,780,078.89

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Solution

The fourth proportional to 10,452,683.90, 15,679,025.85 and 9,780,078.89 is: 14,670,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452,683.90 : 15,679,025.85 = 9,780,078.89 : x
  2. Step 2: Convert to fraction form
    10,452,683.90/15,679,025.85 = 9,780,078.89/x
  3. Step 3: Cross multiply
    10,452,683.90x = 15,679,025.85 × 9,780,078.89
  4. Step 4: Simplify right side
    10,452,683.90x = 153,342,109,731,349.31
  5. Step 5: Solve for x
    x = 153,342,109,731,349.31/10,452,683.90
  6. Step 6: Final answer
    x = 14,670,118.34

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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.