Home / 12,089,057.40-18,117,839.70-4,894,702.20

Finding the Fourth Proportional to 12,089,057.40, 18,117,839.70 and 4,894,702.20

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Solution

The fourth proportional to 12,089,057.40, 18,117,839.70 and 4,894,702.20 is: 7,335,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,057.40 : 18,117,839.70 = 4,894,702.20 : x
  2. Step 2: Convert to fraction form
    12,089,057.40/18,117,839.70 = 4,894,702.20/x
  3. Step 3: Cross multiply
    12,089,057.40x = 18,117,839.70 × 4,894,702.20
  4. Step 4: Simplify right side
    12,089,057.40x = 88,681,429,838,837.34
  5. Step 5: Solve for x
    x = 88,681,429,838,837.34/12,089,057.40
  6. Step 6: Final answer
    x = 7,335,677.79

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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.