Home / 27,747,816.64-38,288,792.64-15,988,799.68

Finding the Fourth Proportional to 27,747,816.64, 38,288,792.64 and 15,988,799.68

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Solution

The fourth proportional to 27,747,816.64, 38,288,792.64 and 15,988,799.68 is: 22,062,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747,816.64 : 38,288,792.64 = 15,988,799.68 : x
  2. Step 2: Convert to fraction form
    27,747,816.64/38,288,792.64 = 15,988,799.68/x
  3. Step 3: Cross multiply
    27,747,816.64x = 38,288,792.64 × 15,988,799.68
  4. Step 4: Simplify right side
    27,747,816.64x = 612,191,835,510,018.38
  5. Step 5: Solve for x
    x = 612,191,835,510,018.38/27,747,816.64
  6. Step 6: Final answer
    x = 22,062,702.93

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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.