Home / 10,101,478.03-13,940,039.15-5,455,262.61

Finding the Fourth Proportional to 10,101,478.03, 13,940,039.15 and 5,455,262.61

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Solution

The fourth proportional to 10,101,478.03, 13,940,039.15 and 5,455,262.61 is: 7,528,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101,478.03 : 13,940,039.15 = 5,455,262.61 : x
  2. Step 2: Convert to fraction form
    10,101,478.03/13,940,039.15 = 5,455,262.61/x
  3. Step 3: Cross multiply
    10,101,478.03x = 13,940,039.15 × 5,455,262.61
  4. Step 4: Simplify right side
    10,101,478.03x = 76,046,574,418,722.19
  5. Step 5: Solve for x
    x = 76,046,574,418,722.19/10,101,478.03
  6. Step 6: Final answer
    x = 7,528,262.12

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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.