Home / 12,725,881.55-19,088,563.98-3,141,343.11

Finding the Fourth Proportional to 12,725,881.55, 19,088,563.98 and 3,141,343.11

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Solution

The fourth proportional to 12,725,881.55, 19,088,563.98 and 3,141,343.11 is: 4,711,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,881.55 : 19,088,563.98 = 3,141,343.11 : x
  2. Step 2: Convert to fraction form
    12,725,881.55/19,088,563.98 = 3,141,343.11/x
  3. Step 3: Cross multiply
    12,725,881.55x = 19,088,563.98 × 3,141,343.11
  4. Step 4: Simplify right side
    12,725,881.55x = 59,963,729,021,729.33
  5. Step 5: Solve for x
    x = 59,963,729,021,729.33/12,725,881.55
  6. Step 6: Final answer
    x = 4,711,950.90

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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.