Home / 28,000,900.82-38,641,105.09-16,242,547.26

Finding the Fourth Proportional to 28,000,900.82, 38,641,105.09 and 16,242,547.26

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Solution

The fourth proportional to 28,000,900.82, 38,641,105.09 and 16,242,547.26 is: 22,414,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000,900.82 : 38,641,105.09 = 16,242,547.26 : x
  2. Step 2: Convert to fraction form
    28,000,900.82/38,641,105.09 = 16,242,547.26/x
  3. Step 3: Cross multiply
    28,000,900.82x = 38,641,105.09 × 16,242,547.26
  4. Step 4: Simplify right side
    28,000,900.82x = 627,629,975,623,254.75
  5. Step 5: Solve for x
    x = 627,629,975,623,254.75/28,000,900.82
  6. Step 6: Final answer
    x = 22,414,635.15

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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.