Home / 12,722,923.06-17,563,732.06-7,832,337.25

Finding the Fourth Proportional to 12,722,923.06, 17,563,732.06 and 7,832,337.25

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Solution

The fourth proportional to 12,722,923.06, 17,563,732.06 and 7,832,337.25 is: 10,812,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722,923.06 : 17,563,732.06 = 7,832,337.25 : x
  2. Step 2: Convert to fraction form
    12,722,923.06/17,563,732.06 = 7,832,337.25/x
  3. Step 3: Cross multiply
    12,722,923.06x = 17,563,732.06 × 7,832,337.25
  4. Step 4: Simplify right side
    12,722,923.06x = 137,565,072,862,557.22
  5. Step 5: Solve for x
    x = 137,565,072,862,557.22/12,722,923.06
  6. Step 6: Final answer
    x = 10,812,379.53

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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.