Home / 14,279,605.55-19,706,198.16-7,753,510.07

Finding the Fourth Proportional to 14,279,605.55, 19,706,198.16 and 7,753,510.07

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Solution

The fourth proportional to 14,279,605.55, 19,706,198.16 and 7,753,510.07 is: 10,700,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,605.55 : 19,706,198.16 = 7,753,510.07 : x
  2. Step 2: Convert to fraction form
    14,279,605.55/19,706,198.16 = 7,753,510.07/x
  3. Step 3: Cross multiply
    14,279,605.55x = 19,706,198.16 × 7,753,510.07
  4. Step 4: Simplify right side
    14,279,605.55x = 152,792,205,874,975.47
  5. Step 5: Solve for x
    x = 152,792,205,874,975.47/14,279,605.55
  6. Step 6: Final answer
    x = 10,700,029.87

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1.5x scale

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.