Home / 28,420,225.50-42,612,009.50-11,150,171.78

Finding the Fourth Proportional to 28,420,225.50, 42,612,009.50 and 11,150,171.78

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Solution

The fourth proportional to 28,420,225.50, 42,612,009.50 and 11,150,171.78 is: 16,718,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,225.50 : 42,612,009.50 = 11,150,171.78 : x
  2. Step 2: Convert to fraction form
    28,420,225.50/42,612,009.50 = 11,150,171.78/x
  3. Step 3: Cross multiply
    28,420,225.50x = 42,612,009.50 × 11,150,171.78
  4. Step 4: Simplify right side
    28,420,225.50x = 475,131,225,547,181
  5. Step 5: Solve for x
    x = 475,131,225,547,181/28,420,225.50
  6. Step 6: Final answer
    x = 16,718,066.70

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1.5x scale

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.