Home / 13,140,139.18-19,710,257.28-4,042,173.76

Finding the Fourth Proportional to 13,140,139.18, 19,710,257.28 and 4,042,173.76

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Solution

The fourth proportional to 13,140,139.18, 19,710,257.28 and 4,042,173.76 is: 6,063,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,139.18 : 19,710,257.28 = 4,042,173.76 : x
  2. Step 2: Convert to fraction form
    13,140,139.18/19,710,257.28 = 4,042,173.76/x
  3. Step 3: Cross multiply
    13,140,139.18x = 19,710,257.28 × 4,042,173.76
  4. Step 4: Simplify right side
    13,140,139.18x = 79,672,284,780,064.97
  5. Step 5: Solve for x
    x = 79,672,284,780,064.97/13,140,139.18
  6. Step 6: Final answer
    x = 6,063,275.56

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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.