Home / 12,443,820.90-18,665,731.35-10,318,056.90

Finding the Fourth Proportional to 12,443,820.90, 18,665,731.35 and 10,318,056.90

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Solution

The fourth proportional to 12,443,820.90, 18,665,731.35 and 10,318,056.90 is: 15,477,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443,820.90 : 18,665,731.35 = 10,318,056.90 : x
  2. Step 2: Convert to fraction form
    12,443,820.90/18,665,731.35 = 10,318,056.90/x
  3. Step 3: Cross multiply
    12,443,820.90x = 18,665,731.35 × 10,318,056.90
  4. Step 4: Simplify right side
    12,443,820.90x = 192,594,078,149,413.84
  5. Step 5: Solve for x
    x = 192,594,078,149,413.84/12,443,820.90
  6. Step 6: Final answer
    x = 15,477,085.35

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Similar ratio
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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.