Home / 15,794,815.20-23,720,216.40-12,209,301.60

Finding the Fourth Proportional to 15,794,815.20, 23,720,216.40 and 12,209,301.60

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Solution

The fourth proportional to 15,794,815.20, 23,720,216.40 and 12,209,301.60 is: 18,335,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794,815.20 : 23,720,216.40 = 12,209,301.60 : x
  2. Step 2: Convert to fraction form
    15,794,815.20/23,720,216.40 = 12,209,301.60/x
  3. Step 3: Cross multiply
    15,794,815.20x = 23,720,216.40 × 12,209,301.60
  4. Step 4: Simplify right side
    15,794,815.20x = 289,607,276,044,866.19
  5. Step 5: Solve for x
    x = 289,607,276,044,866.19/15,794,815.20
  6. Step 6: Final answer
    x = 18,335,591.29

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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.