Home / 17,670,860.40-26,490,738.60-11,972,607.60

Finding the Fourth Proportional to 17,670,860.40, 26,490,738.60 and 11,972,607.60

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Solution

The fourth proportional to 17,670,860.40, 26,490,738.60 and 11,972,607.60 is: 17,948,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,860.40 : 26,490,738.60 = 11,972,607.60 : x
  2. Step 2: Convert to fraction form
    17,670,860.40/26,490,738.60 = 11,972,607.60/x
  3. Step 3: Cross multiply
    17,670,860.40x = 26,490,738.60 × 11,972,607.60
  4. Step 4: Simplify right side
    17,670,860.40x = 317,163,218,291,973.38
  5. Step 5: Solve for x
    x = 317,163,218,291,973.38/17,670,860.40
  6. Step 6: Final answer
    x = 17,948,374.39

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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.