Home / 15,036,898.32-20,750,364.57-8,161,232.76

Finding the Fourth Proportional to 15,036,898.32, 20,750,364.57 and 8,161,232.76

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Solution

The fourth proportional to 15,036,898.32, 20,750,364.57 and 8,161,232.76 is: 11,262,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,898.32 : 20,750,364.57 = 8,161,232.76 : x
  2. Step 2: Convert to fraction form
    15,036,898.32/20,750,364.57 = 8,161,232.76/x
  3. Step 3: Cross multiply
    15,036,898.32x = 20,750,364.57 × 8,161,232.76
  4. Step 4: Simplify right side
    15,036,898.32x = 169,348,555,110,627.31
  5. Step 5: Solve for x
    x = 169,348,555,110,627.31/15,036,898.32
  6. Step 6: Final answer
    x = 11,262,199.92

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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.