Home / 19,292,821.66-28,924,076.31-13,209,150.61

Finding the Fourth Proportional to 19,292,821.66, 28,924,076.31 and 13,209,150.61

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Solution

The fourth proportional to 19,292,821.66, 28,924,076.31 and 13,209,150.61 is: 19,803,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,821.66 : 28,924,076.31 = 13,209,150.61 : x
  2. Step 2: Convert to fraction form
    19,292,821.66/28,924,076.31 = 13,209,150.61/x
  3. Step 3: Cross multiply
    19,292,821.66x = 28,924,076.31 × 13,209,150.61
  4. Step 4: Simplify right side
    19,292,821.66x = 382,062,480,233,923
  5. Step 5: Solve for x
    x = 382,062,480,233,923/19,292,821.66
  6. Step 6: Final answer
    x = 19,803,348.98

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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.