Home / 38,996,989.74-53,815,185.06-21,592,960.38

Finding the Fourth Proportional to 38,996,989.74, 53,815,185.06 and 21,592,960.38

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Solution

The fourth proportional to 38,996,989.74, 53,815,185.06 and 21,592,960.38 is: 29,797,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996,989.74 : 53,815,185.06 = 21,592,960.38 : x
  2. Step 2: Convert to fraction form
    38,996,989.74/53,815,185.06 = 21,592,960.38/x
  3. Step 3: Cross multiply
    38,996,989.74x = 53,815,185.06 × 21,592,960.38
  4. Step 4: Simplify right side
    38,996,989.74x = 1,162,029,158,842,948
  5. Step 5: Solve for x
    x = 1,162,029,158,842,948/38,996,989.74
  6. Step 6: Final answer
    x = 29,797,919.44

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1.5x scale

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.