Home / 12,555,436.20-18,833,154.30-6,178,144.20

Finding the Fourth Proportional to 12,555,436.20, 18,833,154.30 and 6,178,144.20

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Solution

The fourth proportional to 12,555,436.20, 18,833,154.30 and 6,178,144.20 is: 9,267,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,436.20 : 18,833,154.30 = 6,178,144.20 : x
  2. Step 2: Convert to fraction form
    12,555,436.20/18,833,154.30 = 6,178,144.20/x
  3. Step 3: Cross multiply
    12,555,436.20x = 18,833,154.30 × 6,178,144.20
  4. Step 4: Simplify right side
    12,555,436.20x = 116,353,943,006,250.06
  5. Step 5: Solve for x
    x = 116,353,943,006,250.06/12,555,436.20
  6. Step 6: Final answer
    x = 9,267,216.30

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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.