Home / 30,339,010.60-45,508,515.90-10,144,252.60

Finding the Fourth Proportional to 30,339,010.60, 45,508,515.90 and 10,144,252.60

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Solution

The fourth proportional to 30,339,010.60, 45,508,515.90 and 10,144,252.60 is: 15,216,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,010.60 : 45,508,515.90 = 10,144,252.60 : x
  2. Step 2: Convert to fraction form
    30,339,010.60/45,508,515.90 = 10,144,252.60/x
  3. Step 3: Cross multiply
    30,339,010.60x = 45,508,515.90 × 10,144,252.60
  4. Step 4: Simplify right side
    30,339,010.60x = 461,649,880,740,716.31
  5. Step 5: Solve for x
    x = 461,649,880,740,716.31/30,339,010.60
  6. Step 6: Final answer
    x = 15,216,378.90

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1.5x scale

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.