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Finding the Fourth Proportional to 11,669,061.60, 17,503,592.40 and 10,283,378.40

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Solution

The fourth proportional to 11,669,061.60, 17,503,592.40 and 10,283,378.40 is: 15,425,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669,061.60 : 17,503,592.40 = 10,283,378.40 : x
  2. Step 2: Convert to fraction form
    11,669,061.60/17,503,592.40 = 10,283,378.40/x
  3. Step 3: Cross multiply
    11,669,061.60x = 17,503,592.40 × 10,283,378.40
  4. Step 4: Simplify right side
    11,669,061.60x = 179,996,064,008,564.16
  5. Step 5: Solve for x
    x = 179,996,064,008,564.16/11,669,061.60
  6. Step 6: Final answer
    x = 15,425,067.60

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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.