Home / 27,865,393.80-38,455,522.12-15,475,544.92

Finding the Fourth Proportional to 27,865,393.80, 38,455,522.12 and 15,475,544.92

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Solution

The fourth proportional to 27,865,393.80, 38,455,522.12 and 15,475,544.92 is: 21,356,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865,393.80 : 38,455,522.12 = 15,475,544.92 : x
  2. Step 2: Convert to fraction form
    27,865,393.80/38,455,522.12 = 15,475,544.92/x
  3. Step 3: Cross multiply
    27,865,393.80x = 38,455,522.12 × 15,475,544.92
  4. Step 4: Simplify right side
    27,865,393.80x = 595,120,159,990,113.62
  5. Step 5: Solve for x
    x = 595,120,159,990,113.62/27,865,393.80
  6. Step 6: Final answer
    x = 21,356,962.13

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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.