Home / 7,148,039.77-9,864,389.69-3,884,919.13

Finding the Fourth Proportional to 7,148,039.77, 9,864,389.69 and 3,884,919.13

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Solution

The fourth proportional to 7,148,039.77, 9,864,389.69 and 3,884,919.13 is: 5,361,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,039.77 : 9,864,389.69 = 3,884,919.13 : x
  2. Step 2: Convert to fraction form
    7,148,039.77/9,864,389.69 = 3,884,919.13/x
  3. Step 3: Cross multiply
    7,148,039.77x = 9,864,389.69 × 3,884,919.13
  4. Step 4: Simplify right side
    7,148,039.77x = 38,322,356,212,455.77
  5. Step 5: Solve for x
    x = 38,322,356,212,455.77/7,148,039.77
  6. Step 6: Final answer
    x = 5,361,239.93

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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.