Home / 9,108,607.81-12,569,860.54-5,188,362.44

Finding the Fourth Proportional to 9,108,607.81, 12,569,860.54 and 5,188,362.44

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Solution

The fourth proportional to 9,108,607.81, 12,569,860.54 and 5,188,362.44 is: 7,159,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,607.81 : 12,569,860.54 = 5,188,362.44 : x
  2. Step 2: Convert to fraction form
    9,108,607.81/12,569,860.54 = 5,188,362.44/x
  3. Step 3: Cross multiply
    9,108,607.81x = 12,569,860.54 × 5,188,362.44
  4. Step 4: Simplify right side
    9,108,607.81x = 65,216,992,346,169.68
  5. Step 5: Solve for x
    x = 65,216,992,346,169.68/9,108,607.81
  6. Step 6: Final answer
    x = 7,159,929.79

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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.