Home / 19,151,321.40-28,726,982.10-6,373,117.80

Finding the Fourth Proportional to 19,151,321.40, 28,726,982.10 and 6,373,117.80

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Solution

The fourth proportional to 19,151,321.40, 28,726,982.10 and 6,373,117.80 is: 9,559,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151,321.40 : 28,726,982.10 = 6,373,117.80 : x
  2. Step 2: Convert to fraction form
    19,151,321.40/28,726,982.10 = 6,373,117.80/x
  3. Step 3: Cross multiply
    19,151,321.40x = 28,726,982.10 × 6,373,117.80
  4. Step 4: Simplify right side
    19,151,321.40x = 183,080,440,961,791.38
  5. Step 5: Solve for x
    x = 183,080,440,961,791.38/19,151,321.40
  6. Step 6: Final answer
    x = 9,559,676.70

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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.