Home / 7,479,405.88-10,319,279.52-4,575,769.72

Finding the Fourth Proportional to 7,479,405.88, 10,319,279.52 and 4,575,769.72

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Solution

The fourth proportional to 7,479,405.88, 10,319,279.52 and 4,575,769.72 is: 6,313,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,405.88 : 10,319,279.52 = 4,575,769.72 : x
  2. Step 2: Convert to fraction form
    7,479,405.88/10,319,279.52 = 4,575,769.72/x
  3. Step 3: Cross multiply
    7,479,405.88x = 10,319,279.52 × 4,575,769.72
  4. Step 4: Simplify right side
    7,479,405.88x = 47,218,646,759,832.13
  5. Step 5: Solve for x
    x = 47,218,646,759,832.13/7,479,405.88
  6. Step 6: Final answer
    x = 6,313,154.75

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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.