Home / 12,528,034.90-18,792,052.35-7,153,263.70

Finding the Fourth Proportional to 12,528,034.90, 18,792,052.35 and 7,153,263.70

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Solution

The fourth proportional to 12,528,034.90, 18,792,052.35 and 7,153,263.70 is: 10,729,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,034.90 : 18,792,052.35 = 7,153,263.70 : x
  2. Step 2: Convert to fraction form
    12,528,034.90/18,792,052.35 = 7,153,263.70/x
  3. Step 3: Cross multiply
    12,528,034.90x = 18,792,052.35 × 7,153,263.70
  4. Step 4: Simplify right side
    12,528,034.90x = 134,424,505,923,754.70
  5. Step 5: Solve for x
    x = 134,424,505,923,754.70/12,528,034.90
  6. Step 6: Final answer
    x = 10,729,895.55

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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.