Home / 10,207,145.70-15,310,718.55-9,262,361.70

Finding the Fourth Proportional to 10,207,145.70, 15,310,718.55 and 9,262,361.70

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Solution

The fourth proportional to 10,207,145.70, 15,310,718.55 and 9,262,361.70 is: 13,893,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,145.70 : 15,310,718.55 = 9,262,361.70 : x
  2. Step 2: Convert to fraction form
    10,207,145.70/15,310,718.55 = 9,262,361.70/x
  3. Step 3: Cross multiply
    10,207,145.70x = 15,310,718.55 × 9,262,361.70
  4. Step 4: Simplify right side
    10,207,145.70x = 141,813,413,096,999.53
  5. Step 5: Solve for x
    x = 141,813,413,096,999.53/10,207,145.70
  6. Step 6: Final answer
    x = 13,893,542.55

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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.