Home / 12,864,607.28-19,299,710.28-3,888,926

Finding the Fourth Proportional to 12,864,607.28, 19,299,710.28 and 3,888,926

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Solution

The fourth proportional to 12,864,607.28, 19,299,710.28 and 3,888,926 is: 5,834,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,607.28 : 19,299,710.28 = 3,888,926 : x
  2. Step 2: Convert to fraction form
    12,864,607.28/19,299,710.28 = 3,888,926/x
  3. Step 3: Cross multiply
    12,864,607.28x = 19,299,710.28 × 3,888,926
  4. Step 4: Simplify right side
    12,864,607.28x = 75,055,145,100,359.28
  5. Step 5: Solve for x
    x = 75,055,145,100,359.28/12,864,607.28
  6. Step 6: Final answer
    x = 5,834,235.24

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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.