Home / 12,377,014.90-18,565,522.35-3,280,516.45

Finding the Fourth Proportional to 12,377,014.90, 18,565,522.35 and 3,280,516.45

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Solution

The fourth proportional to 12,377,014.90, 18,565,522.35 and 3,280,516.45 is: 4,920,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,014.90 : 18,565,522.35 = 3,280,516.45 : x
  2. Step 2: Convert to fraction form
    12,377,014.90/18,565,522.35 = 3,280,516.45/x
  3. Step 3: Cross multiply
    12,377,014.90x = 18,565,522.35 × 3,280,516.45
  4. Step 4: Simplify right side
    12,377,014.90x = 60,904,501,472,017.66
  5. Step 5: Solve for x
    x = 60,904,501,472,017.66/12,377,014.90
  6. Step 6: Final answer
    x = 4,920,774.68

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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.