Home / 12,948,775.20-19,423,162.80-4,426,279.20

Finding the Fourth Proportional to 12,948,775.20, 19,423,162.80 and 4,426,279.20

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Solution

The fourth proportional to 12,948,775.20, 19,423,162.80 and 4,426,279.20 is: 6,639,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,775.20 : 19,423,162.80 = 4,426,279.20 : x
  2. Step 2: Convert to fraction form
    12,948,775.20/19,423,162.80 = 4,426,279.20/x
  3. Step 3: Cross multiply
    12,948,775.20x = 19,423,162.80 × 4,426,279.20
  4. Step 4: Simplify right side
    12,948,775.20x = 85,972,341,499,853.77
  5. Step 5: Solve for x
    x = 85,972,341,499,853.77/12,948,775.20
  6. Step 6: Final answer
    x = 6,639,418.80

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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.