Home / 12,902,551.14-17,805,385.13-7,101,208.02

Finding the Fourth Proportional to 12,902,551.14, 17,805,385.13 and 7,101,208.02

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Solution

The fourth proportional to 12,902,551.14, 17,805,385.13 and 7,101,208.02 is: 9,799,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902,551.14 : 17,805,385.13 = 7,101,208.02 : x
  2. Step 2: Convert to fraction form
    12,902,551.14/17,805,385.13 = 7,101,208.02/x
  3. Step 3: Cross multiply
    12,902,551.14x = 17,805,385.13 × 7,101,208.02
  4. Step 4: Simplify right side
    12,902,551.14x = 126,439,743,648,838.69
  5. Step 5: Solve for x
    x = 126,439,743,648,838.69/12,902,551.14
  6. Step 6: Final answer
    x = 9,799,592.52

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1.5x scale

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.