Home / 13,842,494.70-20,763,742.05-6,652,294.80

Finding the Fourth Proportional to 13,842,494.70, 20,763,742.05 and 6,652,294.80

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Solution

The fourth proportional to 13,842,494.70, 20,763,742.05 and 6,652,294.80 is: 9,978,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,494.70 : 20,763,742.05 = 6,652,294.80 : x
  2. Step 2: Convert to fraction form
    13,842,494.70/20,763,742.05 = 6,652,294.80/x
  3. Step 3: Cross multiply
    13,842,494.70x = 20,763,742.05 × 6,652,294.80
  4. Step 4: Simplify right side
    13,842,494.70x = 138,126,533,267,756.34
  5. Step 5: Solve for x
    x = 138,126,533,267,756.34/13,842,494.70
  6. Step 6: Final answer
    x = 9,978,442.20

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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.