Home / 12,864,593.28-19,299,689.28-3,888,912

Finding the Fourth Proportional to 12,864,593.28, 19,299,689.28 and 3,888,912

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Solution

The fourth proportional to 12,864,593.28, 19,299,689.28 and 3,888,912 is: 5,834,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,593.28 : 19,299,689.28 = 3,888,912 : x
  2. Step 2: Convert to fraction form
    12,864,593.28/19,299,689.28 = 3,888,912/x
  3. Step 3: Cross multiply
    12,864,593.28x = 19,299,689.28 × 3,888,912
  4. Step 4: Simplify right side
    12,864,593.28x = 75,054,793,237,263.36
  5. Step 5: Solve for x
    x = 75,054,793,237,263.36/12,864,593.28
  6. Step 6: Final answer
    x = 5,834,214.23

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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.