Home / 15,036,318.05-20,750,138.93-8,160,800.11

Finding the Fourth Proportional to 15,036,318.05, 20,750,138.93 and 8,160,800.11

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Solution

The fourth proportional to 15,036,318.05, 20,750,138.93 and 8,160,800.11 is: 11,261,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,318.05 : 20,750,138.93 = 8,160,800.11 : x
  2. Step 2: Convert to fraction form
    15,036,318.05/20,750,138.93 = 8,160,800.11/x
  3. Step 3: Cross multiply
    15,036,318.05x = 20,750,138.93 × 8,160,800.11
  4. Step 4: Simplify right side
    15,036,318.05x = 169,337,736,062,459.28
  5. Step 5: Solve for x
    x = 169,337,736,062,459.28/15,036,318.05
  6. Step 6: Final answer
    x = 11,261,915.02

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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.