Home / 7,855,863.90-10,839,825.09-4,417,899.90

Finding the Fourth Proportional to 7,855,863.90, 10,839,825.09 and 4,417,899.90

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Solution

The fourth proportional to 7,855,863.90, 10,839,825.09 and 4,417,899.90 is: 6,095,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,863.90 : 10,839,825.09 = 4,417,899.90 : x
  2. Step 2: Convert to fraction form
    7,855,863.90/10,839,825.09 = 4,417,899.90/x
  3. Step 3: Cross multiply
    7,855,863.90x = 10,839,825.09 × 4,417,899.90
  4. Step 4: Simplify right side
    7,855,863.90x = 47,889,262,181,128.49
  5. Step 5: Solve for x
    x = 47,889,262,181,128.49/7,855,863.90
  6. Step 6: Final answer
    x = 6,095,989.29

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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.