Home / 31,829,123.35-47,709,693.20-18,152,821.33

Finding the Fourth Proportional to 31,829,123.35, 47,709,693.20 and 18,152,821.33

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Solution

The fourth proportional to 31,829,123.35, 47,709,693.20 and 18,152,821.33 is: 27,209,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829,123.35 : 47,709,693.20 = 18,152,821.33 : x
  2. Step 2: Convert to fraction form
    31,829,123.35/47,709,693.20 = 18,152,821.33/x
  3. Step 3: Cross multiply
    31,829,123.35x = 47,709,693.20 × 18,152,821.33
  4. Step 4: Simplify right side
    31,829,123.35x = 866,065,536,277,951.75
  5. Step 5: Solve for x
    x = 866,065,536,277,951.75/31,829,123.35
  6. Step 6: Final answer
    x = 27,209,845.74

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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.