Home / 28,772,655.30-43,088,124.15-13,608,872.10

Finding the Fourth Proportional to 28,772,655.30, 43,088,124.15 and 13,608,872.10

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Solution

The fourth proportional to 28,772,655.30, 43,088,124.15 and 13,608,872.10 is: 20,379,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,655.30 : 43,088,124.15 = 13,608,872.10 : x
  2. Step 2: Convert to fraction form
    28,772,655.30/43,088,124.15 = 13,608,872.10/x
  3. Step 3: Cross multiply
    28,772,655.30x = 43,088,124.15 × 13,608,872.10
  4. Step 4: Simplify right side
    28,772,655.30x = 586,380,770,586,271.12
  5. Step 5: Solve for x
    x = 586,380,770,586,271.12/28,772,655.30
  6. Step 6: Final answer
    x = 20,379,793.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.