Home / 18,641,817.96-25,725,188.06-10,381,877.98

Finding the Fourth Proportional to 18,641,817.96, 25,725,188.06 and 10,381,877.98

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Solution

The fourth proportional to 18,641,817.96, 25,725,188.06 and 10,381,877.98 is: 14,326,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,817.96 : 25,725,188.06 = 10,381,877.98 : x
  2. Step 2: Convert to fraction form
    18,641,817.96/25,725,188.06 = 10,381,877.98/x
  3. Step 3: Cross multiply
    18,641,817.96x = 25,725,188.06 × 10,381,877.98
  4. Step 4: Simplify right side
    18,641,817.96x = 267,075,763,451,472.91
  5. Step 5: Solve for x
    x = 267,075,763,451,472.91/18,641,817.96
  6. Step 6: Final answer
    x = 14,326,701.61

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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.