Home / 12,293,373.90-18,440,060.85-9,307,389.90

Finding the Fourth Proportional to 12,293,373.90, 18,440,060.85 and 9,307,389.90

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Solution

The fourth proportional to 12,293,373.90, 18,440,060.85 and 9,307,389.90 is: 13,961,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,373.90 : 18,440,060.85 = 9,307,389.90 : x
  2. Step 2: Convert to fraction form
    12,293,373.90/18,440,060.85 = 9,307,389.90/x
  3. Step 3: Cross multiply
    12,293,373.90x = 18,440,060.85 × 9,307,389.90
  4. Step 4: Simplify right side
    12,293,373.90x = 171,628,836,110,675.44
  5. Step 5: Solve for x
    x = 171,628,836,110,675.44/12,293,373.90
  6. Step 6: Final answer
    x = 13,961,084.85

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Similar ratio
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1.5x scale

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.