Home / 28,944,182.16-39,943,051.92-15,892,286.88

Finding the Fourth Proportional to 28,944,182.16, 39,943,051.92 and 15,892,286.88

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Solution

The fourth proportional to 28,944,182.16, 39,943,051.92 and 15,892,286.88 is: 21,931,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944,182.16 : 39,943,051.92 = 15,892,286.88 : x
  2. Step 2: Convert to fraction form
    28,944,182.16/39,943,051.92 = 15,892,286.88/x
  3. Step 3: Cross multiply
    28,944,182.16x = 39,943,051.92 × 15,892,286.88
  4. Step 4: Simplify right side
    28,944,182.16x = 634,786,439,975,374.88
  5. Step 5: Solve for x
    x = 634,786,439,975,374.88/28,944,182.16
  6. Step 6: Final answer
    x = 21,931,400.12

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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.