Home / 13,643,780.70-20,465,999.10-4,059,471.90

Finding the Fourth Proportional to 13,643,780.70, 20,465,999.10 and 4,059,471.90

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Solution

The fourth proportional to 13,643,780.70, 20,465,999.10 and 4,059,471.90 is: 6,089,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,780.70 : 20,465,999.10 = 4,059,471.90 : x
  2. Step 2: Convert to fraction form
    13,643,780.70/20,465,999.10 = 4,059,471.90/x
  3. Step 3: Cross multiply
    13,643,780.70x = 20,465,999.10 × 4,059,471.90
  4. Step 4: Simplify right side
    13,643,780.70x = 83,081,148,251,875.30
  5. Step 5: Solve for x
    x = 83,081,148,251,875.30/13,643,780.70
  6. Step 6: Final answer
    x = 6,089,305.46

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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.