Home / 9,758,390.81-13,466,658.42-5,407,549.79

Finding the Fourth Proportional to 9,758,390.81, 13,466,658.42 and 5,407,549.79

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Solution

The fourth proportional to 9,758,390.81, 13,466,658.42 and 5,407,549.79 is: 7,462,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758,390.81 : 13,466,658.42 = 5,407,549.79 : x
  2. Step 2: Convert to fraction form
    9,758,390.81/13,466,658.42 = 5,407,549.79/x
  3. Step 3: Cross multiply
    9,758,390.81x = 13,466,658.42 × 5,407,549.79
  4. Step 4: Simplify right side
    9,758,390.81x = 72,821,625,843,739.44
  5. Step 5: Solve for x
    x = 72,821,625,843,739.44/9,758,390.81
  6. Step 6: Final answer
    x = 7,462,462.54

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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.