Home / 13,283,625.48-19,931,736.84-7,902,905.64

Finding the Fourth Proportional to 13,283,625.48, 19,931,736.84 and 7,902,905.64

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Solution

The fourth proportional to 13,283,625.48, 19,931,736.84 and 7,902,905.64 is: 11,858,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,625.48 : 19,931,736.84 = 7,902,905.64 : x
  2. Step 2: Convert to fraction form
    13,283,625.48/19,931,736.84 = 7,902,905.64/x
  3. Step 3: Cross multiply
    13,283,625.48x = 19,931,736.84 × 7,902,905.64
  4. Step 4: Simplify right side
    13,283,625.48x = 157,518,635,487,831.78
  5. Step 5: Solve for x
    x = 157,518,635,487,831.78/13,283,625.48
  6. Step 6: Final answer
    x = 11,858,105.74

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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.