Home / 9,121,441.80-12,587,590.93-4,991,473.92

Finding the Fourth Proportional to 9,121,441.80, 12,587,590.93 and 4,991,473.92

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Solution

The fourth proportional to 9,121,441.80, 12,587,590.93 and 4,991,473.92 is: 6,888,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,441.80 : 12,587,590.93 = 4,991,473.92 : x
  2. Step 2: Convert to fraction form
    9,121,441.80/12,587,590.93 = 4,991,473.92/x
  3. Step 3: Cross multiply
    9,121,441.80x = 12,587,590.93 × 4,991,473.92
  4. Step 4: Simplify right side
    9,121,441.80x = 62,830,631,754,828.23
  5. Step 5: Solve for x
    x = 62,830,631,754,828.23/9,121,441.80
  6. Step 6: Final answer
    x = 6,888,234.68

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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.