Home / 7,158,904.65-9,879,407.33-3,895,856.91

Finding the Fourth Proportional to 7,158,904.65, 9,879,407.33 and 3,895,856.91

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Solution

The fourth proportional to 7,158,904.65, 9,879,407.33 and 3,895,856.91 is: 5,376,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,904.65 : 9,879,407.33 = 3,895,856.91 : x
  2. Step 2: Convert to fraction form
    7,158,904.65/9,879,407.33 = 3,895,856.91/x
  3. Step 3: Cross multiply
    7,158,904.65x = 9,879,407.33 × 3,895,856.91
  4. Step 4: Simplify right side
    7,158,904.65x = 38,488,757,293,805.87
  5. Step 5: Solve for x
    x = 38,488,757,293,805.87/7,158,904.65
  6. Step 6: Final answer
    x = 5,376,347.25

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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.