Home / 12,668,309.98-19,002,287.36-4,992,021.52

Finding the Fourth Proportional to 12,668,309.98, 19,002,287.36 and 4,992,021.52

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Solution

The fourth proportional to 12,668,309.98, 19,002,287.36 and 4,992,021.52 is: 7,487,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,309.98 : 19,002,287.36 = 4,992,021.52 : x
  2. Step 2: Convert to fraction form
    12,668,309.98/19,002,287.36 = 4,992,021.52/x
  3. Step 3: Cross multiply
    12,668,309.98x = 19,002,287.36 × 4,992,021.52
  4. Step 4: Simplify right side
    12,668,309.98x = 94,859,827,430,343.97
  5. Step 5: Solve for x
    x = 94,859,827,430,343.97/12,668,309.98
  6. Step 6: Final answer
    x = 7,487,962.29

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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.