Home / 12,484,793.25-18,727,189.88-3,509,345.25

Finding the Fourth Proportional to 12,484,793.25, 18,727,189.88 and 3,509,345.25

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Solution

The fourth proportional to 12,484,793.25, 18,727,189.88 and 3,509,345.25 is: 5,264,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,793.25 : 18,727,189.88 = 3,509,345.25 : x
  2. Step 2: Convert to fraction form
    12,484,793.25/18,727,189.88 = 3,509,345.25/x
  3. Step 3: Cross multiply
    12,484,793.25x = 18,727,189.88 × 3,509,345.25
  4. Step 4: Simplify right side
    12,484,793.25x = 65,720,174,833,679.34
  5. Step 5: Solve for x
    x = 65,720,174,833,679.34/12,484,793.25
  6. Step 6: Final answer
    x = 5,264,017.88

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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.