Home / 9,789,186.16-13,508,774.13-5,438,159.38

Finding the Fourth Proportional to 9,789,186.16, 13,508,774.13 and 5,438,159.38

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Solution

The fourth proportional to 9,789,186.16, 13,508,774.13 and 5,438,159.38 is: 7,504,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,186.16 : 13,508,774.13 = 5,438,159.38 : x
  2. Step 2: Convert to fraction form
    9,789,186.16/13,508,774.13 = 5,438,159.38/x
  3. Step 3: Cross multiply
    9,789,186.16x = 13,508,774.13 × 5,438,159.38
  4. Step 4: Simplify right side
    9,789,186.16x = 73,462,866,747,360.84
  5. Step 5: Solve for x
    x = 73,462,866,747,360.84/9,789,186.16
  6. Step 6: Final answer
    x = 7,504,491.75

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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.