Home / 7,235,827.78-9,985,723.14-3,972,780.04

Finding the Fourth Proportional to 7,235,827.78, 9,985,723.14 and 3,972,780.04

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Solution

The fourth proportional to 7,235,827.78, 9,985,723.14 and 3,972,780.04 is: 5,482,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,827.78 : 9,985,723.14 = 3,972,780.04 : x
  2. Step 2: Convert to fraction form
    7,235,827.78/9,985,723.14 = 3,972,780.04/x
  3. Step 3: Cross multiply
    7,235,827.78x = 9,985,723.14 × 3,972,780.04
  4. Step 4: Simplify right side
    7,235,827.78x = 39,671,081,565,491.75
  5. Step 5: Solve for x
    x = 39,671,081,565,491.75/7,235,827.78
  6. Step 6: Final answer
    x = 5,482,590.63

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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.