Home / 19,729,296.40-29,593,944.60-12,572,557.60

Finding the Fourth Proportional to 19,729,296.40, 29,593,944.60 and 12,572,557.60

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Solution

The fourth proportional to 19,729,296.40, 29,593,944.60 and 12,572,557.60 is: 18,858,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,296.40 : 29,593,944.60 = 12,572,557.60 : x
  2. Step 2: Convert to fraction form
    19,729,296.40/29,593,944.60 = 12,572,557.60/x
  3. Step 3: Cross multiply
    19,729,296.40x = 29,593,944.60 × 12,572,557.60
  4. Step 4: Simplify right side
    19,729,296.40x = 372,071,573,094,708.94
  5. Step 5: Solve for x
    x = 372,071,573,094,708.94/19,729,296.40
  6. Step 6: Final answer
    x = 18,858,836.40

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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.