Home / 34,043,570.40-51,102,680.40-21,278,488.80

Finding the Fourth Proportional to 34,043,570.40, 51,102,680.40 and 21,278,488.80

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Solution

The fourth proportional to 34,043,570.40, 51,102,680.40 and 21,278,488.80 is: 31,941,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,043,570.40 : 51,102,680.40 = 21,278,488.80 : x
  2. Step 2: Convert to fraction form
    34,043,570.40/51,102,680.40 = 21,278,488.80/x
  3. Step 3: Cross multiply
    34,043,570.40x = 51,102,680.40 × 21,278,488.80
  4. Step 4: Simplify right side
    34,043,570.40x = 1,087,387,812,541,379.50
  5. Step 5: Solve for x
    x = 1,087,387,812,541,379.50/34,043,570.40
  6. Step 6: Final answer
    x = 31,941,062.58

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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.