Home / 13,375,750.16-18,466,186.74-8,805,357.56

Finding the Fourth Proportional to 13,375,750.16, 18,466,186.74 and 8,805,357.56

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Solution

The fourth proportional to 13,375,750.16, 18,466,186.74 and 8,805,357.56 is: 12,156,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,750.16 : 18,466,186.74 = 8,805,357.56 : x
  2. Step 2: Convert to fraction form
    13,375,750.16/18,466,186.74 = 8,805,357.56/x
  3. Step 3: Cross multiply
    13,375,750.16x = 18,466,186.74 × 8,805,357.56
  4. Step 4: Simplify right side
    13,375,750.16x = 162,601,377,015,430.75
  5. Step 5: Solve for x
    x = 162,601,377,015,430.75/13,375,750.16
  6. Step 6: Final answer
    x = 12,156,430.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.