Home / 11,311,908-15,610,301.80-6,155,180.72

Finding the Fourth Proportional to 11,311,908, 15,610,301.80 and 6,155,180.72

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Solution

The fourth proportional to 11,311,908, 15,610,301.80 and 6,155,180.72 is: 8,494,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311,908 : 15,610,301.80 = 6,155,180.72 : x
  2. Step 2: Convert to fraction form
    11,311,908/15,610,301.80 = 6,155,180.72/x
  3. Step 3: Cross multiply
    11,311,908x = 15,610,301.80 × 6,155,180.72
  4. Step 4: Simplify right side
    11,311,908x = 96,084,228,672,741.30
  5. Step 5: Solve for x
    x = 96,084,228,672,741.30/11,311,908
  6. Step 6: Final answer
    x = 8,494,077.98

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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.