Home / 12,884,465.57-17,780,901.98-7,083,393.39

Finding the Fourth Proportional to 12,884,465.57, 17,780,901.98 and 7,083,393.39

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Solution

The fourth proportional to 12,884,465.57, 17,780,901.98 and 7,083,393.39 is: 9,775,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,465.57 : 17,780,901.98 = 7,083,393.39 : x
  2. Step 2: Convert to fraction form
    12,884,465.57/17,780,901.98 = 7,083,393.39/x
  3. Step 3: Cross multiply
    12,884,465.57x = 17,780,901.98 × 7,083,393.39
  4. Step 4: Simplify right side
    12,884,465.57x = 125,949,123,517,952.95
  5. Step 5: Solve for x
    x = 125,949,123,517,952.95/12,884,465.57
  6. Step 6: Final answer
    x = 9,775,269.52

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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.