Home / 19,542,818.40-29,314,227.60-8,748,661.20

Finding the Fourth Proportional to 19,542,818.40, 29,314,227.60 and 8,748,661.20

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Solution

The fourth proportional to 19,542,818.40, 29,314,227.60 and 8,748,661.20 is: 13,122,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,818.40 : 29,314,227.60 = 8,748,661.20 : x
  2. Step 2: Convert to fraction form
    19,542,818.40/29,314,227.60 = 8,748,661.20/x
  3. Step 3: Cross multiply
    19,542,818.40x = 29,314,227.60 × 8,748,661.20
  4. Step 4: Simplify right side
    19,542,818.40x = 256,460,245,612,089.12
  5. Step 5: Solve for x
    x = 256,460,245,612,089.12/19,542,818.40
  6. Step 6: Final answer
    x = 13,122,991.80

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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.