Home / 20,027,200.78-30,046,193.34-10,306,516.74

Finding the Fourth Proportional to 20,027,200.78, 30,046,193.34 and 10,306,516.74

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Solution

The fourth proportional to 20,027,200.78, 30,046,193.34 and 10,306,516.74 is: 15,462,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,200.78 : 30,046,193.34 = 10,306,516.74 : x
  2. Step 2: Convert to fraction form
    20,027,200.78/30,046,193.34 = 10,306,516.74/x
  3. Step 3: Cross multiply
    20,027,200.78x = 30,046,193.34 × 10,306,516.74
  4. Step 4: Simplify right side
    20,027,200.78x = 309,671,594,631,986.50
  5. Step 5: Solve for x
    x = 309,671,594,631,986.50/20,027,200.78
  6. Step 6: Final answer
    x = 15,462,550.06

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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.