Home / 18,171,888.40-27,295,740.60-15,337,536.40

Finding the Fourth Proportional to 18,171,888.40, 27,295,740.60 and 15,337,536.40

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Solution

The fourth proportional to 18,171,888.40, 27,295,740.60 and 15,337,536.40 is: 23,038,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,888.40 : 27,295,740.60 = 15,337,536.40 : x
  2. Step 2: Convert to fraction form
    18,171,888.40/27,295,740.60 = 15,337,536.40/x
  3. Step 3: Cross multiply
    18,171,888.40x = 27,295,740.60 × 15,337,536.40
  4. Step 4: Simplify right side
    18,171,888.40x = 418,649,415,017,457.88
  5. Step 5: Solve for x
    x = 418,649,415,017,457.88/18,171,888.40
  6. Step 6: Final answer
    x = 23,038,299.92

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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.