Home / 13,666,410.80-20,507,489.40-5,152,857.20

Finding the Fourth Proportional to 13,666,410.80, 20,507,489.40 and 5,152,857.20

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Solution

The fourth proportional to 13,666,410.80, 20,507,489.40 and 5,152,857.20 is: 7,732,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,410.80 : 20,507,489.40 = 5,152,857.20 : x
  2. Step 2: Convert to fraction form
    13,666,410.80/20,507,489.40 = 5,152,857.20/x
  3. Step 3: Cross multiply
    13,666,410.80x = 20,507,489.40 × 5,152,857.20
  4. Step 4: Simplify right side
    13,666,410.80x = 105,672,164,408,713.67
  5. Step 5: Solve for x
    x = 105,672,164,408,713.67/13,666,410.80
  6. Step 6: Final answer
    x = 7,732,254.35

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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.