Home / 12,420,072.60-18,630,108.90-10,436,026.20

Finding the Fourth Proportional to 12,420,072.60, 18,630,108.90 and 10,436,026.20

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Solution

The fourth proportional to 12,420,072.60, 18,630,108.90 and 10,436,026.20 is: 15,654,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,072.60 : 18,630,108.90 = 10,436,026.20 : x
  2. Step 2: Convert to fraction form
    12,420,072.60/18,630,108.90 = 10,436,026.20/x
  3. Step 3: Cross multiply
    12,420,072.60x = 18,630,108.90 × 10,436,026.20
  4. Step 4: Simplify right side
    12,420,072.60x = 194,424,304,589,253.16
  5. Step 5: Solve for x
    x = 194,424,304,589,253.16/12,420,072.60
  6. Step 6: Final answer
    x = 15,654,039.30

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1.5x scale

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.