Home / 43,689,628.80-65,534,443.20-13,393,555.20

Finding the Fourth Proportional to 43,689,628.80, 65,534,443.20 and 13,393,555.20

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Solution

The fourth proportional to 43,689,628.80, 65,534,443.20 and 13,393,555.20 is: 20,090,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689,628.80 : 65,534,443.20 = 13,393,555.20 : x
  2. Step 2: Convert to fraction form
    43,689,628.80/65,534,443.20 = 13,393,555.20/x
  3. Step 3: Cross multiply
    43,689,628.80x = 65,534,443.20 × 13,393,555.20
  4. Step 4: Simplify right side
    43,689,628.80x = 877,739,182,500,464.62
  5. Step 5: Solve for x
    x = 877,739,182,500,464.62/43,689,628.80
  6. Step 6: Final answer
    x = 20,090,332.80

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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.