Home / 9,771,774.72-13,486,665.67-5,422,262.28

Finding the Fourth Proportional to 9,771,774.72, 13,486,665.67 and 5,422,262.28

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Solution

The fourth proportional to 9,771,774.72, 13,486,665.67 and 5,422,262.28 is: 7,483,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,774.72 : 13,486,665.67 = 5,422,262.28 : x
  2. Step 2: Convert to fraction form
    9,771,774.72/13,486,665.67 = 5,422,262.28/x
  3. Step 3: Cross multiply
    9,771,774.72x = 13,486,665.67 × 5,422,262.28
  4. Step 4: Simplify right side
    9,771,774.72x = 73,128,238,557,143.78
  5. Step 5: Solve for x
    x = 73,128,238,557,143.78/9,771,774.72
  6. Step 6: Final answer
    x = 7,483,618.96

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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.