Home / 13,663,753.40-18,855,978.35-7,468,825.00

Finding the Fourth Proportional to 13,663,753.40, 18,855,978.35 and 7,468,825.00

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Solution

The fourth proportional to 13,663,753.40, 18,855,978.35 and 7,468,825.00 is: 10,306,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,753.40 : 18,855,978.35 = 7,468,825.00 : x
  2. Step 2: Convert to fraction form
    13,663,753.40/18,855,978.35 = 7,468,825.00/x
  3. Step 3: Cross multiply
    13,663,753.40x = 18,855,978.35 × 7,468,825.00
  4. Step 4: Simplify right side
    13,663,753.40x = 140,832,002,450,809.62
  5. Step 5: Solve for x
    x = 140,832,002,450,809.62/13,663,753.40
  6. Step 6: Final answer
    x = 10,306,977.77

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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.