Home / 19,814,425.20-29,721,637.80-17,830,378.80

Finding the Fourth Proportional to 19,814,425.20, 29,721,637.80 and 17,830,378.80

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Solution

The fourth proportional to 19,814,425.20, 29,721,637.80 and 17,830,378.80 is: 26,745,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814,425.20 : 29,721,637.80 = 17,830,378.80 : x
  2. Step 2: Convert to fraction form
    19,814,425.20/29,721,637.80 = 17,830,378.80/x
  3. Step 3: Cross multiply
    19,814,425.20x = 29,721,637.80 × 17,830,378.80
  4. Step 4: Simplify right side
    19,814,425.20x = 529,948,060,530,398.69
  5. Step 5: Solve for x
    x = 529,948,060,530,398.69/19,814,425.20
  6. Step 6: Final answer
    x = 26,745,568.20

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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.