Home / 28,377,444.36-39,160,872.82-15,324,702.89

Finding the Fourth Proportional to 28,377,444.36, 39,160,872.82 and 15,324,702.89

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Solution

The fourth proportional to 28,377,444.36, 39,160,872.82 and 15,324,702.89 is: 21,148,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,444.36 : 39,160,872.82 = 15,324,702.89 : x
  2. Step 2: Convert to fraction form
    28,377,444.36/39,160,872.82 = 15,324,702.89/x
  3. Step 3: Cross multiply
    28,377,444.36x = 39,160,872.82 × 15,324,702.89
  4. Step 4: Simplify right side
    28,377,444.36x = 600,128,740,879,576.50
  5. Step 5: Solve for x
    x = 600,128,740,879,576.50/28,377,444.36
  6. Step 6: Final answer
    x = 21,148,089.77

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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.