Home / 9,789,185.16-13,508,772.75-5,438,158.38

Finding the Fourth Proportional to 9,789,185.16, 13,508,772.75 and 5,438,158.38

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Solution

The fourth proportional to 9,789,185.16, 13,508,772.75 and 5,438,158.38 is: 7,504,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,185.16 : 13,508,772.75 = 5,438,158.38 : x
  2. Step 2: Convert to fraction form
    9,789,185.16/13,508,772.75 = 5,438,158.38/x
  3. Step 3: Cross multiply
    9,789,185.16x = 13,508,772.75 × 5,438,158.38
  4. Step 4: Simplify right side
    9,789,185.16x = 73,462,845,733,928.14
  5. Step 5: Solve for x
    x = 73,462,845,733,928.14/9,789,185.16
  6. Step 6: Final answer
    x = 7,504,490.37

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1.5x scale

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.