Home / 20,262,644.66-27,962,458.80-10,970,214.68

Finding the Fourth Proportional to 20,262,644.66, 27,962,458.80 and 10,970,214.68

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Solution

The fourth proportional to 20,262,644.66, 27,962,458.80 and 10,970,214.68 is: 15,138,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,644.66 : 27,962,458.80 = 10,970,214.68 : x
  2. Step 2: Convert to fraction form
    20,262,644.66/27,962,458.80 = 10,970,214.68/x
  3. Step 3: Cross multiply
    20,262,644.66x = 27,962,458.80 × 10,970,214.68
  4. Step 4: Simplify right side
    20,262,644.66x = 306,754,176,016,655.19
  5. Step 5: Solve for x
    x = 306,754,176,016,655.19/20,262,644.66
  6. Step 6: Final answer
    x = 15,138,901.22

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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.