Home / 8,490,825.89-11,715,783.03-5,007,257.45

Finding the Fourth Proportional to 8,490,825.89, 11,715,783.03 and 5,007,257.45

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Solution

The fourth proportional to 8,490,825.89, 11,715,783.03 and 5,007,257.45 is: 6,909,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,825.89 : 11,715,783.03 = 5,007,257.45 : x
  2. Step 2: Convert to fraction form
    8,490,825.89/11,715,783.03 = 5,007,257.45/x
  3. Step 3: Cross multiply
    8,490,825.89x = 11,715,783.03 × 5,007,257.45
  4. Step 4: Simplify right side
    8,490,825.89x = 58,663,941,800,972.16
  5. Step 5: Solve for x
    x = 58,663,941,800,972.16/8,490,825.89
  6. Step 6: Final answer
    x = 6,909,097.25

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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.