Home / 22,128,083.68-30,536,001.12-12,205,359.58

Finding the Fourth Proportional to 22,128,083.68, 30,536,001.12 and 12,205,359.58

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Solution

The fourth proportional to 22,128,083.68, 30,536,001.12 and 12,205,359.58 is: 16,842,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,083.68 : 30,536,001.12 = 12,205,359.58 : x
  2. Step 2: Convert to fraction form
    22,128,083.68/30,536,001.12 = 12,205,359.58/x
  3. Step 3: Cross multiply
    22,128,083.68x = 30,536,001.12 × 12,205,359.58
  4. Step 4: Simplify right side
    22,128,083.68x = 372,702,873,804,882.75
  5. Step 5: Solve for x
    x = 372,702,873,804,882.75/22,128,083.68
  6. Step 6: Final answer
    x = 16,842,980.13

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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.