Home / 28,134,820.80-42,202,231.20-16,797,412.80

Finding the Fourth Proportional to 28,134,820.80, 42,202,231.20 and 16,797,412.80

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Solution

The fourth proportional to 28,134,820.80, 42,202,231.20 and 16,797,412.80 is: 25,196,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,820.80 : 42,202,231.20 = 16,797,412.80 : x
  2. Step 2: Convert to fraction form
    28,134,820.80/42,202,231.20 = 16,797,412.80/x
  3. Step 3: Cross multiply
    28,134,820.80x = 42,202,231.20 × 16,797,412.80
  4. Step 4: Simplify right side
    28,134,820.80x = 708,888,298,547,439.50
  5. Step 5: Solve for x
    x = 708,888,298,547,439.50/28,134,820.80
  6. Step 6: Final answer
    x = 25,196,119.20

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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.