Home / 13,766,427.60-20,649,641.40-8,391,656.40

Finding the Fourth Proportional to 13,766,427.60, 20,649,641.40 and 8,391,656.40

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Solution

The fourth proportional to 13,766,427.60, 20,649,641.40 and 8,391,656.40 is: 12,587,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,427.60 : 20,649,641.40 = 8,391,656.40 : x
  2. Step 2: Convert to fraction form
    13,766,427.60/20,649,641.40 = 8,391,656.40/x
  3. Step 3: Cross multiply
    13,766,427.60x = 20,649,641.40 × 8,391,656.40
  4. Step 4: Simplify right side
    13,766,427.60x = 173,284,695,412,014.97
  5. Step 5: Solve for x
    x = 173,284,695,412,014.97/13,766,427.60
  6. Step 6: Final answer
    x = 12,587,484.60

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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.