Home / 12,871,006.40-19,309,101.60-3,773,086.40

Finding the Fourth Proportional to 12,871,006.40, 19,309,101.60 and 3,773,086.40

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Solution

The fourth proportional to 12,871,006.40, 19,309,101.60 and 3,773,086.40 is: 5,660,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,006.40 : 19,309,101.60 = 3,773,086.40 : x
  2. Step 2: Convert to fraction form
    12,871,006.40/19,309,101.60 = 3,773,086.40/x
  3. Step 3: Cross multiply
    12,871,006.40x = 19,309,101.60 × 3,773,086.40
  4. Step 4: Simplify right side
    12,871,006.40x = 72,854,908,643,178.25
  5. Step 5: Solve for x
    x = 72,854,908,643,178.25/12,871,006.40
  6. Step 6: Final answer
    x = 5,660,389.43

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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.