Home / 13,454,456.57-20,184,628.29-4,357,473.78

Finding the Fourth Proportional to 13,454,456.57, 20,184,628.29 and 4,357,473.78

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Solution

The fourth proportional to 13,454,456.57, 20,184,628.29 and 4,357,473.78 is: 6,537,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,456.57 : 20,184,628.29 = 4,357,473.78 : x
  2. Step 2: Convert to fraction form
    13,454,456.57/20,184,628.29 = 4,357,473.78/x
  3. Step 3: Cross multiply
    13,454,456.57x = 20,184,628.29 × 4,357,473.78
  4. Step 4: Simplify right side
    13,454,456.57x = 87,953,988,532,721.23
  5. Step 5: Solve for x
    x = 87,953,988,532,721.23/13,454,456.57
  6. Step 6: Final answer
    x = 6,537,163.96

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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.