Home / 27,578,315.85-38,057,611.54-15,189,562.95

Finding the Fourth Proportional to 27,578,315.85, 38,057,611.54 and 15,189,562.95

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Solution

The fourth proportional to 27,578,315.85, 38,057,611.54 and 15,189,562.95 is: 20,961,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,315.85 : 38,057,611.54 = 15,189,562.95 : x
  2. Step 2: Convert to fraction form
    27,578,315.85/38,057,611.54 = 15,189,562.95/x
  3. Step 3: Cross multiply
    27,578,315.85x = 38,057,611.54 × 15,189,562.95
  4. Step 4: Simplify right side
    27,578,315.85x = 578,078,486,213,476.38
  5. Step 5: Solve for x
    x = 578,078,486,213,476.38/27,578,315.85
  6. Step 6: Final answer
    x = 20,961,341.13

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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.