Home / 12,710,378.24-17,540,491.20-6,909,248.96

Finding the Fourth Proportional to 12,710,378.24, 17,540,491.20 and 6,909,248.96

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Solution

The fourth proportional to 12,710,378.24, 17,540,491.20 and 6,909,248.96 is: 9,534,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,378.24 : 17,540,491.20 = 6,909,248.96 : x
  2. Step 2: Convert to fraction form
    12,710,378.24/17,540,491.20 = 6,909,248.96/x
  3. Step 3: Cross multiply
    12,710,378.24x = 17,540,491.20 × 6,909,248.96
  4. Step 4: Simplify right side
    12,710,378.24x = 121,191,620,581,489.14
  5. Step 5: Solve for x
    x = 121,191,620,581,489.14/12,710,378.24
  6. Step 6: Final answer
    x = 9,534,855.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.