Home / 12,455,657.40-18,683,486.10-5,737,193.40

Finding the Fourth Proportional to 12,455,657.40, 18,683,486.10 and 5,737,193.40

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Solution

The fourth proportional to 12,455,657.40, 18,683,486.10 and 5,737,193.40 is: 8,605,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,657.40 : 18,683,486.10 = 5,737,193.40 : x
  2. Step 2: Convert to fraction form
    12,455,657.40/18,683,486.10 = 5,737,193.40/x
  3. Step 3: Cross multiply
    12,455,657.40x = 18,683,486.10 × 5,737,193.40
  4. Step 4: Simplify right side
    12,455,657.40x = 107,190,773,141,911.75
  5. Step 5: Solve for x
    x = 107,190,773,141,911.75/12,455,657.40
  6. Step 6: Final answer
    x = 8,605,790.10

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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.