Home / 19,684,228.80-29,526,343.20-12,086,558.40

Finding the Fourth Proportional to 19,684,228.80, 29,526,343.20 and 12,086,558.40

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Solution

The fourth proportional to 19,684,228.80, 29,526,343.20 and 12,086,558.40 is: 18,129,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684,228.80 : 29,526,343.20 = 12,086,558.40 : x
  2. Step 2: Convert to fraction form
    19,684,228.80/29,526,343.20 = 12,086,558.40/x
  3. Step 3: Cross multiply
    19,684,228.80x = 29,526,343.20 × 12,086,558.40
  4. Step 4: Simplify right side
    19,684,228.80x = 356,871,871,425,242.88
  5. Step 5: Solve for x
    x = 356,871,871,425,242.88/19,684,228.80
  6. Step 6: Final answer
    x = 18,129,837.60

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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.