Home / 38,455,621.64-57,683,432.45-12,896,557.23

Finding the Fourth Proportional to 38,455,621.64, 57,683,432.45 and 12,896,557.23

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Solution

The fourth proportional to 38,455,621.64, 57,683,432.45 and 12,896,557.23 is: 19,344,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455,621.64 : 57,683,432.45 = 12,896,557.23 : x
  2. Step 2: Convert to fraction form
    38,455,621.64/57,683,432.45 = 12,896,557.23/x
  3. Step 3: Cross multiply
    38,455,621.64x = 57,683,432.45 × 12,896,557.23
  4. Step 4: Simplify right side
    38,455,621.64x = 743,917,687,846,505.50
  5. Step 5: Solve for x
    x = 743,917,687,846,505.50/38,455,621.64
  6. Step 6: Final answer
    x = 19,344,835.85

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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.