Home / 13,739,943.60-20,619,246.60-7,674,663.60

Finding the Fourth Proportional to 13,739,943.60, 20,619,246.60 and 7,674,663.60

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Solution

The fourth proportional to 13,739,943.60, 20,619,246.60 and 7,674,663.60 is: 11,517,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,943.60 : 20,619,246.60 = 7,674,663.60 : x
  2. Step 2: Convert to fraction form
    13,739,943.60/20,619,246.60 = 7,674,663.60/x
  3. Step 3: Cross multiply
    13,739,943.60x = 20,619,246.60 × 7,674,663.60
  4. Step 4: Simplify right side
    13,739,943.60x = 158,245,781,340,443.75
  5. Step 5: Solve for x
    x = 158,245,781,340,443.75/13,739,943.60
  6. Step 6: Final answer
    x = 11,517,207.49

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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.