Home / 47,872,870.20-71,809,305.30-13,329,205.20

Finding the Fourth Proportional to 47,872,870.20, 71,809,305.30 and 13,329,205.20

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Solution

The fourth proportional to 47,872,870.20, 71,809,305.30 and 13,329,205.20 is: 19,993,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,870.20 : 71,809,305.30 = 13,329,205.20 : x
  2. Step 2: Convert to fraction form
    47,872,870.20/71,809,305.30 = 13,329,205.20/x
  3. Step 3: Cross multiply
    47,872,870.20x = 71,809,305.30 × 13,329,205.20
  4. Step 4: Simplify right side
    47,872,870.20x = 957,160,965,613,147.50
  5. Step 5: Solve for x
    x = 957,160,965,613,147.50/47,872,870.20
  6. Step 6: Final answer
    x = 19,993,807.80

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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.