Home / 28,427,056.12-39,229,337.46-15,374,315.04

Finding the Fourth Proportional to 28,427,056.12, 39,229,337.46 and 15,374,315.04

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Solution

The fourth proportional to 28,427,056.12, 39,229,337.46 and 15,374,315.04 is: 21,216,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,056.12 : 39,229,337.46 = 15,374,315.04 : x
  2. Step 2: Convert to fraction form
    28,427,056.12/39,229,337.46 = 15,374,315.04/x
  3. Step 3: Cross multiply
    28,427,056.12x = 39,229,337.46 × 15,374,315.04
  4. Step 4: Simplify right side
    28,427,056.12x = 603,124,192,920,513.38
  5. Step 5: Solve for x
    x = 603,124,192,920,513.38/28,427,056.12
  6. Step 6: Final answer
    x = 21,216,554.76

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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.