Home / 19,259,459.57-28,871,105.30-6,471,020.81

Finding the Fourth Proportional to 19,259,459.57, 28,871,105.30 and 6,471,020.81

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Solution

The fourth proportional to 19,259,459.57, 28,871,105.30 and 6,471,020.81 is: 9,700,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259,459.57 : 28,871,105.30 = 6,471,020.81 : x
  2. Step 2: Convert to fraction form
    19,259,459.57/28,871,105.30 = 6,471,020.81/x
  3. Step 3: Cross multiply
    19,259,459.57x = 28,871,105.30 × 6,471,020.81
  4. Step 4: Simplify right side
    19,259,459.57x = 186,825,523,204,001.28
  5. Step 5: Solve for x
    x = 186,825,523,204,001.28/19,259,459.57
  6. Step 6: Final answer
    x = 9,700,455.12

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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.