Home / 12,884,494.53-17,780,941.95-7,083,422.36

Finding the Fourth Proportional to 12,884,494.53, 17,780,941.95 and 7,083,422.36

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Solution

The fourth proportional to 12,884,494.53, 17,780,941.95 and 7,083,422.36 is: 9,775,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,494.53 : 17,780,941.95 = 7,083,422.36 : x
  2. Step 2: Convert to fraction form
    12,884,494.53/17,780,941.95 = 7,083,422.36/x
  3. Step 3: Cross multiply
    12,884,494.53x = 17,780,941.95 × 7,083,422.36
  4. Step 4: Simplify right side
    12,884,494.53x = 125,949,921,781,547.25
  5. Step 5: Solve for x
    x = 125,949,921,781,547.25/12,884,494.53
  6. Step 6: Final answer
    x = 9,775,309.50

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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.