Home / 19,149,310.80-28,727,902.80-6,378,980.40

Finding the Fourth Proportional to 19,149,310.80, 28,727,902.80 and 6,378,980.40

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Solution

The fourth proportional to 19,149,310.80, 28,727,902.80 and 6,378,980.40 is: 9,569,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,310.80 : 28,727,902.80 = 6,378,980.40 : x
  2. Step 2: Convert to fraction form
    19,149,310.80/28,727,902.80 = 6,378,980.40/x
  3. Step 3: Cross multiply
    19,149,310.80x = 28,727,902.80 × 6,378,980.40
  4. Step 4: Simplify right side
    19,149,310.80x = 183,254,728,894,305.12
  5. Step 5: Solve for x
    x = 183,254,728,894,305.12/19,149,310.80
  6. Step 6: Final answer
    x = 9,569,781.95

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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.