Home / 20,264,489.66-30,398,603.11-6,617,707.56

Finding the Fourth Proportional to 20,264,489.66, 30,398,603.11 and 6,617,707.56

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Solution

The fourth proportional to 20,264,489.66, 30,398,603.11 and 6,617,707.56 is: 9,927,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264,489.66 : 30,398,603.11 = 6,617,707.56 : x
  2. Step 2: Convert to fraction form
    20,264,489.66/30,398,603.11 = 6,617,707.56/x
  3. Step 3: Cross multiply
    20,264,489.66x = 30,398,603.11 × 6,617,707.56
  4. Step 4: Simplify right side
    20,264,489.66x = 201,169,065,614,486.50
  5. Step 5: Solve for x
    x = 201,169,065,614,486.50/20,264,489.66
  6. Step 6: Final answer
    x = 9,927,171.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.