Home / 13,838,645.20-19,097,216.28-7,559,177.68

Finding the Fourth Proportional to 13,838,645.20, 19,097,216.28 and 7,559,177.68

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Solution

The fourth proportional to 13,838,645.20, 19,097,216.28 and 7,559,177.68 is: 10,431,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,645.20 : 19,097,216.28 = 7,559,177.68 : x
  2. Step 2: Convert to fraction form
    13,838,645.20/19,097,216.28 = 7,559,177.68/x
  3. Step 3: Cross multiply
    13,838,645.20x = 19,097,216.28 × 7,559,177.68
  4. Step 4: Simplify right side
    13,838,645.20x = 144,359,251,053,908.62
  5. Step 5: Solve for x
    x = 144,359,251,053,908.62/13,838,645.20
  6. Step 6: Final answer
    x = 10,431,602.87

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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.