Home / 18,160,866.72-27,242,870.40-5,207,074.56

Finding the Fourth Proportional to 18,160,866.72, 27,242,870.40 and 5,207,074.56

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Solution

The fourth proportional to 18,160,866.72, 27,242,870.40 and 5,207,074.56 is: 7,811,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160,866.72 : 27,242,870.40 = 5,207,074.56 : x
  2. Step 2: Convert to fraction form
    18,160,866.72/27,242,870.40 = 5,207,074.56/x
  3. Step 3: Cross multiply
    18,160,866.72x = 27,242,870.40 × 5,207,074.56
  4. Step 4: Simplify right side
    18,160,866.72x = 141,855,657,401,217
  5. Step 5: Solve for x
    x = 141,855,657,401,217/18,160,866.72
  6. Step 6: Final answer
    x = 7,811,062.08

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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.