Home / 20,209,230.44-27,879,938.65-12,369,091.71

Finding the Fourth Proportional to 20,209,230.44, 27,879,938.65 and 12,369,091.71

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Solution

The fourth proportional to 20,209,230.44, 27,879,938.65 and 12,369,091.71 is: 17,063,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209,230.44 : 27,879,938.65 = 12,369,091.71 : x
  2. Step 2: Convert to fraction form
    20,209,230.44/27,879,938.65 = 12,369,091.71/x
  3. Step 3: Cross multiply
    20,209,230.44x = 27,879,938.65 × 12,369,091.71
  4. Step 4: Simplify right side
    20,209,230.44x = 344,849,518,031,023.62
  5. Step 5: Solve for x
    x = 344,849,518,031,023.62/20,209,230.44
  6. Step 6: Final answer
    x = 17,063,960.90

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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.