Home / 8,278,554.30-12,432,001.05-4,499,418.30

Finding the Fourth Proportional to 8,278,554.30, 12,432,001.05 and 4,499,418.30

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Solution

The fourth proportional to 8,278,554.30, 12,432,001.05 and 4,499,418.30 is: 6,756,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,554.30 : 12,432,001.05 = 4,499,418.30 : x
  2. Step 2: Convert to fraction form
    8,278,554.30/12,432,001.05 = 4,499,418.30/x
  3. Step 3: Cross multiply
    8,278,554.30x = 12,432,001.05 × 4,499,418.30
  4. Step 4: Simplify right side
    8,278,554.30x = 55,936,773,029,989.22
  5. Step 5: Solve for x
    x = 55,936,773,029,989.22/8,278,554.30
  6. Step 6: Final answer
    x = 6,756,828.67

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Double scale
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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.