Home / 12,301,890.30-18,452,835.45-9,432,108.90

Finding the Fourth Proportional to 12,301,890.30, 18,452,835.45 and 9,432,108.90

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Solution

The fourth proportional to 12,301,890.30, 18,452,835.45 and 9,432,108.90 is: 14,148,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,890.30 : 18,452,835.45 = 9,432,108.90 : x
  2. Step 2: Convert to fraction form
    12,301,890.30/18,452,835.45 = 9,432,108.90/x
  3. Step 3: Cross multiply
    12,301,890.30x = 18,452,835.45 × 9,432,108.90
  4. Step 4: Simplify right side
    12,301,890.30x = 174,049,153,478,180.50
  5. Step 5: Solve for x
    x = 174,049,153,478,180.50/12,301,890.30
  6. Step 6: Final answer
    x = 14,148,163.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.