Home / 10,888,578.80-16,332,868.20-7,641,321.20

Finding the Fourth Proportional to 10,888,578.80, 16,332,868.20 and 7,641,321.20

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Solution

The fourth proportional to 10,888,578.80, 16,332,868.20 and 7,641,321.20 is: 11,461,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,578.80 : 16,332,868.20 = 7,641,321.20 : x
  2. Step 2: Convert to fraction form
    10,888,578.80/16,332,868.20 = 7,641,321.20/x
  3. Step 3: Cross multiply
    10,888,578.80x = 16,332,868.20 × 7,641,321.20
  4. Step 4: Simplify right side
    10,888,578.80x = 124,804,692,033,465.84
  5. Step 5: Solve for x
    x = 124,804,692,033,465.84/10,888,578.80
  6. Step 6: Final answer
    x = 11,461,981.80

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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.