Home / 43,720,807.80-65,581,211.70-13,424,734.20

Finding the Fourth Proportional to 43,720,807.80, 65,581,211.70 and 13,424,734.20

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Solution

The fourth proportional to 43,720,807.80, 65,581,211.70 and 13,424,734.20 is: 20,137,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720,807.80 : 65,581,211.70 = 13,424,734.20 : x
  2. Step 2: Convert to fraction form
    43,720,807.80/65,581,211.70 = 13,424,734.20/x
  3. Step 3: Cross multiply
    43,720,807.80x = 65,581,211.70 × 13,424,734.20
  4. Step 4: Simplify right side
    43,720,807.80x = 880,410,335,586,430.12
  5. Step 5: Solve for x
    x = 880,410,335,586,430.12/43,720,807.80
  6. Step 6: Final answer
    x = 20,137,101.30

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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.