Home / 12,884,320.14-17,780,701.50-7,083,248.10

Finding the Fourth Proportional to 12,884,320.14, 17,780,701.50 and 7,083,248.10

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Solution

The fourth proportional to 12,884,320.14, 17,780,701.50 and 7,083,248.10 is: 9,775,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,320.14 : 17,780,701.50 = 7,083,248.10 : x
  2. Step 2: Convert to fraction form
    12,884,320.14/17,780,701.50 = 7,083,248.10/x
  3. Step 3: Cross multiply
    12,884,320.14x = 17,780,701.50 × 7,083,248.10
  4. Step 4: Simplify right side
    12,884,320.14x = 125,945,120,116,542.14
  5. Step 5: Solve for x
    x = 125,945,120,116,542.14/12,884,320.14
  6. Step 6: Final answer
    x = 9,775,069.13

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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.