Home / 40,911,478.12-61,365,722.46-12,156,866.34

Finding the Fourth Proportional to 40,911,478.12, 61,365,722.46 and 12,156,866.34

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Solution

The fourth proportional to 40,911,478.12, 61,365,722.46 and 12,156,866.34 is: 18,234,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,911,478.12 : 61,365,722.46 = 12,156,866.34 : x
  2. Step 2: Convert to fraction form
    40,911,478.12/61,365,722.46 = 12,156,866.34/x
  3. Step 3: Cross multiply
    40,911,478.12x = 61,365,722.46 × 12,156,866.34
  4. Step 4: Simplify right side
    40,911,478.12x = 746,014,885,803,756
  5. Step 5: Solve for x
    x = 746,014,885,803,756/40,911,478.12
  6. Step 6: Final answer
    x = 18,234,855.35

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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.