Home / 7,199,411.29-9,935,205.45-3,936,436.58

Finding the Fourth Proportional to 7,199,411.29, 9,935,205.45 and 3,936,436.58

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Solution

The fourth proportional to 7,199,411.29, 9,935,205.45 and 3,936,436.58 is: 5,432,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,411.29 : 9,935,205.45 = 3,936,436.58 : x
  2. Step 2: Convert to fraction form
    7,199,411.29/9,935,205.45 = 3,936,436.58/x
  3. Step 3: Cross multiply
    7,199,411.29x = 9,935,205.45 × 3,936,436.58
  4. Step 4: Simplify right side
    7,199,411.29x = 39,109,306,163,195.36
  5. Step 5: Solve for x
    x = 39,109,306,163,195.36/7,199,411.29
  6. Step 6: Final answer
    x = 5,432,292.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.