Home / 28,052,942.10-42,008,554.35-18,416,145.30

Finding the Fourth Proportional to 28,052,942.10, 42,008,554.35 and 18,416,145.30

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Solution

The fourth proportional to 28,052,942.10, 42,008,554.35 and 18,416,145.30 is: 27,577,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052,942.10 : 42,008,554.35 = 18,416,145.30 : x
  2. Step 2: Convert to fraction form
    28,052,942.10/42,008,554.35 = 18,416,145.30/x
  3. Step 3: Cross multiply
    28,052,942.10x = 42,008,554.35 × 18,416,145.30
  4. Step 4: Simplify right side
    28,052,942.10x = 773,635,640,752,547.12
  5. Step 5: Solve for x
    x = 773,635,640,752,547.12/28,052,942.10
  6. Step 6: Final answer
    x = 27,577,700.69

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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.