Home / 12,488,034.20-18,732,569.70-3,968,130.20

Finding the Fourth Proportional to 12,488,034.20, 18,732,569.70 and 3,968,130.20

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Solution

The fourth proportional to 12,488,034.20, 18,732,569.70 and 3,968,130.20 is: 5,952,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,034.20 : 18,732,569.70 = 3,968,130.20 : x
  2. Step 2: Convert to fraction form
    12,488,034.20/18,732,569.70 = 3,968,130.20/x
  3. Step 3: Cross multiply
    12,488,034.20x = 18,732,569.70 × 3,968,130.20
  4. Step 4: Simplify right side
    12,488,034.20x = 74,333,275,550,174.94
  5. Step 5: Solve for x
    x = 74,333,275,550,174.94/12,488,034.20
  6. Step 6: Final answer
    x = 5,952,360.02

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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.