Home / 13,799,161.40-20,698,742.10-4,711,520.30

Finding the Fourth Proportional to 13,799,161.40, 20,698,742.10 and 4,711,520.30

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Solution

The fourth proportional to 13,799,161.40, 20,698,742.10 and 4,711,520.30 is: 7,067,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,161.40 : 20,698,742.10 = 4,711,520.30 : x
  2. Step 2: Convert to fraction form
    13,799,161.40/20,698,742.10 = 4,711,520.30/x
  3. Step 3: Cross multiply
    13,799,161.40x = 20,698,742.10 × 4,711,520.30
  4. Step 4: Simplify right side
    13,799,161.40x = 97,522,543,588,614.64
  5. Step 5: Solve for x
    x = 97,522,543,588,614.64/13,799,161.40
  6. Step 6: Final answer
    x = 7,067,280.45

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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.