Home / 12,906,048.90-19,359,073.35-9,042,932.10

Finding the Fourth Proportional to 12,906,048.90, 19,359,073.35 and 9,042,932.10

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Solution

The fourth proportional to 12,906,048.90, 19,359,073.35 and 9,042,932.10 is: 13,564,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,048.90 : 19,359,073.35 = 9,042,932.10 : x
  2. Step 2: Convert to fraction form
    12,906,048.90/19,359,073.35 = 9,042,932.10/x
  3. Step 3: Cross multiply
    12,906,048.90x = 19,359,073.35 × 9,042,932.10
  4. Step 4: Simplify right side
    12,906,048.90x = 175,062,785,822,969.53
  5. Step 5: Solve for x
    x = 175,062,785,822,969.53/12,906,048.90
  6. Step 6: Final answer
    x = 13,564,398.15

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1.5x scale

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.