Home / 9,163,417.72-12,644,778.98-5,296,189.36

Finding the Fourth Proportional to 9,163,417.72, 12,644,778.98 and 5,296,189.36

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Solution

The fourth proportional to 9,163,417.72, 12,644,778.98 and 5,296,189.36 is: 7,308,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163,417.72 : 12,644,778.98 = 5,296,189.36 : x
  2. Step 2: Convert to fraction form
    9,163,417.72/12,644,778.98 = 5,296,189.36/x
  3. Step 3: Cross multiply
    9,163,417.72x = 12,644,778.98 × 5,296,189.36
  4. Step 4: Simplify right side
    9,163,417.72x = 66,969,143,893,427.66
  5. Step 5: Solve for x
    x = 66,969,143,893,427.66/9,163,417.72
  6. Step 6: Final answer
    x = 7,308,315.08

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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.