Home / 30,330,619.76-45,495,929.76-10,135,861.76

Finding the Fourth Proportional to 30,330,619.76, 45,495,929.76 and 10,135,861.76

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Solution

The fourth proportional to 30,330,619.76, 45,495,929.76 and 10,135,861.76 is: 15,203,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,619.76 : 45,495,929.76 = 10,135,861.76 : x
  2. Step 2: Convert to fraction form
    30,330,619.76/45,495,929.76 = 10,135,861.76/x
  3. Step 3: Cross multiply
    30,330,619.76x = 45,495,929.76 × 10,135,861.76
  4. Step 4: Simplify right side
    30,330,619.76x = 461,140,454,690,029.94
  5. Step 5: Solve for x
    x = 461,140,454,690,029.94/30,330,619.76
  6. Step 6: Final answer
    x = 15,203,792.68

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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.