Home / 10,955,560.80-15,115,957.65-7,083,422.64

Finding the Fourth Proportional to 10,955,560.80, 15,115,957.65 and 7,083,422.64

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Solution

The fourth proportional to 10,955,560.80, 15,115,957.65 and 7,083,422.64 is: 9,773,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955,560.80 : 15,115,957.65 = 7,083,422.64 : x
  2. Step 2: Convert to fraction form
    10,955,560.80/15,115,957.65 = 7,083,422.64/x
  3. Step 3: Cross multiply
    10,955,560.80x = 15,115,957.65 × 7,083,422.64
  4. Step 4: Simplify right side
    10,955,560.80x = 107,072,716,643,291.19
  5. Step 5: Solve for x
    x = 107,072,716,643,291.19/10,955,560.80
  6. Step 6: Final answer
    x = 9,773,367.02

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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.