Home / 10,070,339.65-15,118,680.89-5,979,129.69

Finding the Fourth Proportional to 10,070,339.65, 15,118,680.89 and 5,979,129.69

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Solution

The fourth proportional to 10,070,339.65, 15,118,680.89 and 5,979,129.69 is: 8,976,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070,339.65 : 15,118,680.89 = 5,979,129.69 : x
  2. Step 2: Convert to fraction form
    10,070,339.65/15,118,680.89 = 5,979,129.69/x
  3. Step 3: Cross multiply
    10,070,339.65x = 15,118,680.89 × 5,979,129.69
  4. Step 4: Simplify right side
    10,070,339.65x = 90,396,553,783,034.64
  5. Step 5: Solve for x
    x = 90,396,553,783,034.64/10,070,339.65
  6. Step 6: Final answer
    x = 8,976,514.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.