Home / 26,689,205.34-39,992,401.62-18,507,805.20

Finding the Fourth Proportional to 26,689,205.34, 39,992,401.62 and 18,507,805.20

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Solution

The fourth proportional to 26,689,205.34, 39,992,401.62 and 18,507,805.20 is: 27,732,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689,205.34 : 39,992,401.62 = 18,507,805.20 : x
  2. Step 2: Convert to fraction form
    26,689,205.34/39,992,401.62 = 18,507,805.20/x
  3. Step 3: Cross multiply
    26,689,205.34x = 39,992,401.62 × 18,507,805.20
  4. Step 4: Simplify right side
    26,689,205.34x = 740,171,578,663,124.38
  5. Step 5: Solve for x
    x = 740,171,578,663,124.38/26,689,205.34
  6. Step 6: Final answer
    x = 27,732,994.27

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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.