Home / 15,244,901.78-21,038,117.34-8,275,634.42

Finding the Fourth Proportional to 15,244,901.78, 21,038,117.34 and 8,275,634.42

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Solution

The fourth proportional to 15,244,901.78, 21,038,117.34 and 8,275,634.42 is: 11,420,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244,901.78 : 21,038,117.34 = 8,275,634.42 : x
  2. Step 2: Convert to fraction form
    15,244,901.78/21,038,117.34 = 8,275,634.42/x
  3. Step 3: Cross multiply
    15,244,901.78x = 21,038,117.34 × 8,275,634.42
  4. Step 4: Simplify right side
    15,244,901.78x = 174,103,767,990,902.84
  5. Step 5: Solve for x
    x = 174,103,767,990,902.84/15,244,901.78
  6. Step 6: Final answer
    x = 11,420,458.49

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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.