Home / 7,137,807.28-9,850,186.55-3,874,624.22

Finding the Fourth Proportional to 7,137,807.28, 9,850,186.55 and 3,874,624.22

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Solution

The fourth proportional to 7,137,807.28, 9,850,186.55 and 3,874,624.22 is: 5,346,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,807.28 : 9,850,186.55 = 3,874,624.22 : x
  2. Step 2: Convert to fraction form
    7,137,807.28/9,850,186.55 = 3,874,624.22/x
  3. Step 3: Cross multiply
    7,137,807.28x = 9,850,186.55 × 3,874,624.22
  4. Step 4: Simplify right side
    7,137,807.28x = 38,165,771,400,312.12
  5. Step 5: Solve for x
    x = 38,165,771,400,312.12/7,137,807.28
  6. Step 6: Final answer
    x = 5,346,988.21

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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.