Home / 7,105,522.48-9,805,028.86-4,007,875.12

Finding the Fourth Proportional to 7,105,522.48, 9,805,028.86 and 4,007,875.12

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Solution

The fourth proportional to 7,105,522.48, 9,805,028.86 and 4,007,875.12 is: 5,530,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,522.48 : 9,805,028.86 = 4,007,875.12 : x
  2. Step 2: Convert to fraction form
    7,105,522.48/9,805,028.86 = 4,007,875.12/x
  3. Step 3: Cross multiply
    7,105,522.48x = 9,805,028.86 × 4,007,875.12
  4. Step 4: Simplify right side
    7,105,522.48x = 39,297,331,218,875.96
  5. Step 5: Solve for x
    x = 39,297,331,218,875.96/7,105,522.48
  6. Step 6: Final answer
    x = 5,530,533.66

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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.