Home / 13,597,460.20-20,348,951.10-12,463,719.40

Finding the Fourth Proportional to 13,597,460.20, 20,348,951.10 and 12,463,719.40

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Solution

The fourth proportional to 13,597,460.20, 20,348,951.10 and 12,463,719.40 is: 18,652,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597,460.20 : 20,348,951.10 = 12,463,719.40 : x
  2. Step 2: Convert to fraction form
    13,597,460.20/20,348,951.10 = 12,463,719.40/x
  3. Step 3: Cross multiply
    13,597,460.20x = 20,348,951.10 × 12,463,719.40
  4. Step 4: Simplify right side
    13,597,460.20x = 253,623,616,594,721.38
  5. Step 5: Solve for x
    x = 253,623,616,594,721.38/13,597,460.20
  6. Step 6: Final answer
    x = 18,652,278.65

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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.