Home / 12,939,333.20-19,415,998.20-5,367,064.40

Finding the Fourth Proportional to 12,939,333.20, 19,415,998.20 and 5,367,064.40

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Solution

The fourth proportional to 12,939,333.20, 19,415,998.20 and 5,367,064.40 is: 8,053,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,333.20 : 19,415,998.20 = 5,367,064.40 : x
  2. Step 2: Convert to fraction form
    12,939,333.20/19,415,998.20 = 5,367,064.40/x
  3. Step 3: Cross multiply
    12,939,333.20x = 19,415,998.20 × 5,367,064.40
  4. Step 4: Simplify right side
    12,939,333.20x = 104,206,912,729,684.08
  5. Step 5: Solve for x
    x = 104,206,912,729,684.08/12,939,333.20
  6. Step 6: Final answer
    x = 8,053,499.44

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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.