Home / 7,107,488.02-10,658,737.50-1,988,542.36

Finding the Fourth Proportional to 7,107,488.02, 10,658,737.50 and 1,988,542.36

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Solution

The fourth proportional to 7,107,488.02, 10,658,737.50 and 1,988,542.36 is: 2,982,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107,488.02 : 10,658,737.50 = 1,988,542.36 : x
  2. Step 2: Convert to fraction form
    7,107,488.02/10,658,737.50 = 1,988,542.36/x
  3. Step 3: Cross multiply
    7,107,488.02x = 10,658,737.50 × 1,988,542.36
  4. Step 4: Simplify right side
    7,107,488.02x = 21,195,351,022,870.50
  5. Step 5: Solve for x
    x = 21,195,351,022,870.50/7,107,488.02
  6. Step 6: Final answer
    x = 2,982,115.62

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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.