Home / 7,250,632.52-10,005,673.16-3,987,446.90

Finding the Fourth Proportional to 7,250,632.52, 10,005,673.16 and 3,987,446.90

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Solution

The fourth proportional to 7,250,632.52, 10,005,673.16 and 3,987,446.90 is: 5,502,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,632.52 : 10,005,673.16 = 3,987,446.90 : x
  2. Step 2: Convert to fraction form
    7,250,632.52/10,005,673.16 = 3,987,446.90/x
  3. Step 3: Cross multiply
    7,250,632.52x = 10,005,673.16 × 3,987,446.90
  4. Step 4: Simplify right side
    7,250,632.52x = 39,897,090,424,255.20
  5. Step 5: Solve for x
    x = 39,897,090,424,255.20/7,250,632.52
  6. Step 6: Final answer
    x = 5,502,566.89

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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.