Home / 16,920,020.40-25,380,030.60-8,416,964.40

Finding the Fourth Proportional to 16,920,020.40, 25,380,030.60 and 8,416,964.40

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Solution

The fourth proportional to 16,920,020.40, 25,380,030.60 and 8,416,964.40 is: 12,625,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920,020.40 : 25,380,030.60 = 8,416,964.40 : x
  2. Step 2: Convert to fraction form
    16,920,020.40/25,380,030.60 = 8,416,964.40/x
  3. Step 3: Cross multiply
    16,920,020.40x = 25,380,030.60 × 8,416,964.40
  4. Step 4: Simplify right side
    16,920,020.40x = 213,622,814,031,110.66
  5. Step 5: Solve for x
    x = 213,622,814,031,110.66/16,920,020.40
  6. Step 6: Final answer
    x = 12,625,446.60

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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.