Home / 12,798,470.48-19,202,540.69-7,684,466.22

Finding the Fourth Proportional to 12,798,470.48, 19,202,540.69 and 7,684,466.22

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Solution

The fourth proportional to 12,798,470.48, 19,202,540.69 and 7,684,466.22 is: 11,529,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,470.48 : 19,202,540.69 = 7,684,466.22 : x
  2. Step 2: Convert to fraction form
    12,798,470.48/19,202,540.69 = 7,684,466.22/x
  3. Step 3: Cross multiply
    12,798,470.48x = 19,202,540.69 × 7,684,466.22
  4. Step 4: Simplify right side
    12,798,470.48x = 147,561,275,289,691.66
  5. Step 5: Solve for x
    x = 147,561,275,289,691.66/12,798,470.48
  6. Step 6: Final answer
    x = 11,529,602.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.