Home / 20,280,846.02-30,400,011.38-7,493,194.58

Finding the Fourth Proportional to 20,280,846.02, 30,400,011.38 and 7,493,194.58

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Solution

The fourth proportional to 20,280,846.02, 30,400,011.38 and 7,493,194.58 is: 11,231,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,846.02 : 30,400,011.38 = 7,493,194.58 : x
  2. Step 2: Convert to fraction form
    20,280,846.02/30,400,011.38 = 7,493,194.58/x
  3. Step 3: Cross multiply
    20,280,846.02x = 30,400,011.38 × 7,493,194.58
  4. Step 4: Simplify right side
    20,280,846.02x = 227,793,200,371,287.25
  5. Step 5: Solve for x
    x = 227,793,200,371,287.25/20,280,846.02
  6. Step 6: Final answer
    x = 11,231,937.77

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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.