Home / 47,872,865.70-71,809,298.55-13,329,200.70

Finding the Fourth Proportional to 47,872,865.70, 71,809,298.55 and 13,329,200.70

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Solution

The fourth proportional to 47,872,865.70, 71,809,298.55 and 13,329,200.70 is: 19,993,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,865.70 : 71,809,298.55 = 13,329,200.70 : x
  2. Step 2: Convert to fraction form
    47,872,865.70/71,809,298.55 = 13,329,200.70/x
  3. Step 3: Cross multiply
    47,872,865.70x = 71,809,298.55 × 13,329,200.70
  4. Step 4: Simplify right side
    47,872,865.70x = 957,160,552,499,168.88
  5. Step 5: Solve for x
    x = 957,160,552,499,168.88/47,872,865.70
  6. Step 6: Final answer
    x = 19,993,801.05

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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.