Home / 19,670,938.56-27,147,830.40-11,935,373.76

Finding the Fourth Proportional to 19,670,938.56, 27,147,830.40 and 11,935,373.76

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Solution

The fourth proportional to 19,670,938.56, 27,147,830.40 and 11,935,373.76 is: 16,471,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670,938.56 : 27,147,830.40 = 11,935,373.76 : x
  2. Step 2: Convert to fraction form
    19,670,938.56/27,147,830.40 = 11,935,373.76/x
  3. Step 3: Cross multiply
    19,670,938.56x = 27,147,830.40 × 11,935,373.76
  4. Step 4: Simplify right side
    19,670,938.56x = 324,019,502,597,090.25
  5. Step 5: Solve for x
    x = 324,019,502,597,090.25/19,670,938.56
  6. Step 6: Final answer
    x = 16,471,989.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.