Home / 14,365,819.68-19,825,253.28-7,839,870.72

Finding the Fourth Proportional to 14,365,819.68, 19,825,253.28 and 7,839,870.72

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Solution

The fourth proportional to 14,365,819.68, 19,825,253.28 and 7,839,870.72 is: 10,819,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,819.68 : 19,825,253.28 = 7,839,870.72 : x
  2. Step 2: Convert to fraction form
    14,365,819.68/19,825,253.28 = 7,839,870.72/x
  3. Step 3: Cross multiply
    14,365,819.68x = 19,825,253.28 × 7,839,870.72
  4. Step 4: Simplify right side
    14,365,819.68x = 155,427,422,706,455.97
  5. Step 5: Solve for x
    x = 155,427,422,706,455.97/14,365,819.68
  6. Step 6: Final answer
    x = 10,819,251.96

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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.