Home / 18,948,120.30-28,434,876.18-6,652,120.08

Finding the Fourth Proportional to 18,948,120.30, 28,434,876.18 and 6,652,120.08

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Solution

The fourth proportional to 18,948,120.30, 28,434,876.18 and 6,652,120.08 is: 9,982,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,120.30 : 28,434,876.18 = 6,652,120.08 : x
  2. Step 2: Convert to fraction form
    18,948,120.30/28,434,876.18 = 6,652,120.08/x
  3. Step 3: Cross multiply
    18,948,120.30x = 28,434,876.18 × 6,652,120.08
  4. Step 4: Simplify right side
    18,948,120.30x = 189,152,210,809,291.69
  5. Step 5: Solve for x
    x = 189,152,210,809,291.69/18,948,120.30
  6. Step 6: Final answer
    x = 9,982,637.21

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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.