Home / 19,190,445.70-28,790,650.95-5,727,275.14

Finding the Fourth Proportional to 19,190,445.70, 28,790,650.95 and 5,727,275.14

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Solution

The fourth proportional to 19,190,445.70, 28,790,650.95 and 5,727,275.14 is: 8,592,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,445.70 : 28,790,650.95 = 5,727,275.14 : x
  2. Step 2: Convert to fraction form
    19,190,445.70/28,790,650.95 = 5,727,275.14/x
  3. Step 3: Cross multiply
    19,190,445.70x = 28,790,650.95 × 5,727,275.14
  4. Step 4: Simplify right side
    19,190,445.70x = 164,891,979,450,352.38
  5. Step 5: Solve for x
    x = 164,891,979,450,352.38/19,190,445.70
  6. Step 6: Final answer
    x = 8,592,399.68

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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.