Home / 12,177,078.68-16,792,776.54-7,281,522.92

Finding the Fourth Proportional to 12,177,078.68, 16,792,776.54 and 7,281,522.92

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Solution

The fourth proportional to 12,177,078.68, 16,792,776.54 and 7,281,522.92 is: 10,041,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,078.68 : 16,792,776.54 = 7,281,522.92 : x
  2. Step 2: Convert to fraction form
    12,177,078.68/16,792,776.54 = 7,281,522.92/x
  3. Step 3: Cross multiply
    12,177,078.68x = 16,792,776.54 × 7,281,522.92
  4. Step 4: Simplify right side
    12,177,078.68x = 122,276,987,266,448.28
  5. Step 5: Solve for x
    x = 122,276,987,266,448.28/12,177,078.68
  6. Step 6: Final answer
    x = 10,041,569.94

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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.