Home / 13,207,086.40-19,811,987.04-4,571,172.73

Finding the Fourth Proportional to 13,207,086.40, 19,811,987.04 and 4,571,172.73

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Solution

The fourth proportional to 13,207,086.40, 19,811,987.04 and 4,571,172.73 is: 6,857,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,086.40 : 19,811,987.04 = 4,571,172.73 : x
  2. Step 2: Convert to fraction form
    13,207,086.40/19,811,987.04 = 4,571,172.73/x
  3. Step 3: Cross multiply
    13,207,086.40x = 19,811,987.04 × 4,571,172.73
  4. Step 4: Simplify right side
    13,207,086.40x = 90,564,014,884,361.42
  5. Step 5: Solve for x
    x = 90,564,014,884,361.42/13,207,086.40
  6. Step 6: Final answer
    x = 6,857,228.93

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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.