Home / 31,432,638.70-47,148,958.05-27,653,502.70

Finding the Fourth Proportional to 31,432,638.70, 47,148,958.05 and 27,653,502.70

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Solution

The fourth proportional to 31,432,638.70, 47,148,958.05 and 27,653,502.70 is: 41,480,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,638.70 : 47,148,958.05 = 27,653,502.70 : x
  2. Step 2: Convert to fraction form
    31,432,638.70/47,148,958.05 = 27,653,502.70/x
  3. Step 3: Cross multiply
    31,432,638.70x = 47,148,958.05 × 27,653,502.70
  4. Step 4: Simplify right side
    31,432,638.70x = 1,303,833,838,737,861.50
  5. Step 5: Solve for x
    x = 1,303,833,838,737,861.50/31,432,638.70
  6. Step 6: Final answer
    x = 41,480,254.05

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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.