Home / 8,780,872.56-13,172,875.56-3,104,392.56

Finding the Fourth Proportional to 8,780,872.56, 13,172,875.56 and 3,104,392.56

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Solution

The fourth proportional to 8,780,872.56, 13,172,875.56 and 3,104,392.56 is: 4,657,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,872.56 : 13,172,875.56 = 3,104,392.56 : x
  2. Step 2: Convert to fraction form
    8,780,872.56/13,172,875.56 = 3,104,392.56/x
  3. Step 3: Cross multiply
    8,780,872.56x = 13,172,875.56 × 3,104,392.56
  4. Step 4: Simplify right side
    8,780,872.56x = 40,893,776,882,269.84
  5. Step 5: Solve for x
    x = 40,893,776,882,269.84/8,780,872.56
  6. Step 6: Final answer
    x = 4,657,142.74

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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.