Home / 7,154,972.22-9,872,964.87-4,836,907.74

Finding the Fourth Proportional to 7,154,972.22, 9,872,964.87 and 4,836,907.74

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Solution

The fourth proportional to 7,154,972.22, 9,872,964.87 and 4,836,907.74 is: 6,674,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,972.22 : 9,872,964.87 = 4,836,907.74 : x
  2. Step 2: Convert to fraction form
    7,154,972.22/9,872,964.87 = 4,836,907.74/x
  3. Step 3: Cross multiply
    7,154,972.22x = 9,872,964.87 × 4,836,907.74
  4. Step 4: Simplify right side
    7,154,972.22x = 47,754,620,196,451.09
  5. Step 5: Solve for x
    x = 47,754,620,196,451.09/7,154,972.22
  6. Step 6: Final answer
    x = 6,674,326.43

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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.