Home / 43,605,379.80-65,408,069.70-13,309,306.20

Finding the Fourth Proportional to 43,605,379.80, 65,408,069.70 and 13,309,306.20

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Solution

The fourth proportional to 43,605,379.80, 65,408,069.70 and 13,309,306.20 is: 19,963,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,605,379.80 : 65,408,069.70 = 13,309,306.20 : x
  2. Step 2: Convert to fraction form
    43,605,379.80/65,408,069.70 = 13,309,306.20/x
  3. Step 3: Cross multiply
    43,605,379.80x = 65,408,069.70 × 13,309,306.20
  4. Step 4: Simplify right side
    43,605,379.80x = 870,536,027,588,242.12
  5. Step 5: Solve for x
    x = 870,536,027,588,242.12/43,605,379.80
  6. Step 6: Final answer
    x = 19,963,959.30

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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.