Home / 15,035,764.32-20,749,369.05-8,160,248.61

Finding the Fourth Proportional to 15,035,764.32, 20,749,369.05 and 8,160,248.61

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Solution

The fourth proportional to 15,035,764.32, 20,749,369.05 and 8,160,248.61 is: 11,261,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,764.32 : 20,749,369.05 = 8,160,248.61 : x
  2. Step 2: Convert to fraction form
    15,035,764.32/20,749,369.05 = 8,160,248.61/x
  3. Step 3: Cross multiply
    15,035,764.32x = 20,749,369.05 × 8,160,248.61
  4. Step 4: Simplify right side
    15,035,764.32x = 169,320,009,948,639.53
  5. Step 5: Solve for x
    x = 169,320,009,948,639.53/15,035,764.32
  6. Step 6: Final answer
    x = 11,261,150.84

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