Home / 12,477,373.20-18,730,056.60-9,650,019.60

Finding the Fourth Proportional to 12,477,373.20, 18,730,056.60 and 9,650,019.60

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Solution

The fourth proportional to 12,477,373.20, 18,730,056.60 and 9,650,019.60 is: 14,485,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,373.20 : 18,730,056.60 = 9,650,019.60 : x
  2. Step 2: Convert to fraction form
    12,477,373.20/18,730,056.60 = 9,650,019.60/x
  3. Step 3: Cross multiply
    12,477,373.20x = 18,730,056.60 × 9,650,019.60
  4. Step 4: Simplify right side
    12,477,373.20x = 180,745,413,299,109.38
  5. Step 5: Solve for x
    x = 180,745,413,299,109.38/12,477,373.20
  6. Step 6: Final answer
    x = 14,485,854.55

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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.