Home / 38,642,275.20-57,970,411.20-19,424,668.80

Finding the Fourth Proportional to 38,642,275.20, 57,970,411.20 and 19,424,668.80

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Solution

The fourth proportional to 38,642,275.20, 57,970,411.20 and 19,424,668.80 is: 29,140,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642,275.20 : 57,970,411.20 = 19,424,668.80 : x
  2. Step 2: Convert to fraction form
    38,642,275.20/57,970,411.20 = 19,424,668.80/x
  3. Step 3: Cross multiply
    38,642,275.20x = 57,970,411.20 × 19,424,668.80
  4. Step 4: Simplify right side
    38,642,275.20x = 1,126,056,037,759,810.75
  5. Step 5: Solve for x
    x = 1,126,056,037,759,810.75/38,642,275.20
  6. Step 6: Final answer
    x = 29,140,521.15

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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.