Home / 12,096,913.90-18,145,370.85-9,969,400.30

Finding the Fourth Proportional to 12,096,913.90, 18,145,370.85 and 9,969,400.30

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Solution

The fourth proportional to 12,096,913.90, 18,145,370.85 and 9,969,400.30 is: 14,954,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,913.90 : 18,145,370.85 = 9,969,400.30 : x
  2. Step 2: Convert to fraction form
    12,096,913.90/18,145,370.85 = 9,969,400.30/x
  3. Step 3: Cross multiply
    12,096,913.90x = 18,145,370.85 × 9,969,400.30
  4. Step 4: Simplify right side
    12,096,913.90x = 180,898,465,595,601.28
  5. Step 5: Solve for x
    x = 180,898,465,595,601.28/12,096,913.90
  6. Step 6: Final answer
    x = 14,954,100.45

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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.