Home / 20,287,668.80-30,434,345.76-6,641,883.20

Finding the Fourth Proportional to 20,287,668.80, 30,434,345.76 and 6,641,883.20

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Solution

The fourth proportional to 20,287,668.80, 30,434,345.76 and 6,641,883.20 is: 9,963,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,668.80 : 30,434,345.76 = 6,641,883.20 : x
  2. Step 2: Convert to fraction form
    20,287,668.80/30,434,345.76 = 6,641,883.20/x
  3. Step 3: Cross multiply
    20,287,668.80x = 30,434,345.76 × 6,641,883.20
  4. Step 4: Simplify right side
    20,287,668.80x = 202,141,369,806,335.25
  5. Step 5: Solve for x
    x = 202,141,369,806,335.25/20,287,668.80
  6. Step 6: Final answer
    x = 9,963,755.41

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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.