Home / 34,281,650.40-47,308,648.32-18,812,706.72

Finding the Fourth Proportional to 34,281,650.40, 47,308,648.32 and 18,812,706.72

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Solution

The fourth proportional to 34,281,650.40, 47,308,648.32 and 18,812,706.72 is: 25,961,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281,650.40 : 47,308,648.32 = 18,812,706.72 : x
  2. Step 2: Convert to fraction form
    34,281,650.40/47,308,648.32 = 18,812,706.72/x
  3. Step 3: Cross multiply
    34,281,650.40x = 47,308,648.32 × 18,812,706.72
  4. Step 4: Simplify right side
    34,281,650.40x = 890,003,726,163,780.62
  5. Step 5: Solve for x
    x = 890,003,726,163,780.62/34,281,650.40
  6. Step 6: Final answer
    x = 25,961,519.23

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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.