Home / 7,151,904.36-9,869,751.38-3,888,741.13

Finding the Fourth Proportional to 7,151,904.36, 9,869,751.38 and 3,888,741.13

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Solution

The fourth proportional to 7,151,904.36, 9,869,751.38 and 3,888,741.13 is: 5,366,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,904.36 : 9,869,751.38 = 3,888,741.13 : x
  2. Step 2: Convert to fraction form
    7,151,904.36/9,869,751.38 = 3,888,741.13/x
  3. Step 3: Cross multiply
    7,151,904.36x = 9,869,751.38 × 3,888,741.13
  4. Step 4: Simplify right side
    7,151,904.36x = 38,380,908,119,327.73
  5. Step 5: Solve for x
    x = 38,380,908,119,327.73/7,151,904.36
  6. Step 6: Final answer
    x = 5,366,529.83

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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.