Home / 20,854,401.30-31,281,601.95-19,342,746.90

Finding the Fourth Proportional to 20,854,401.30, 31,281,601.95 and 19,342,746.90

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Solution

The fourth proportional to 20,854,401.30, 31,281,601.95 and 19,342,746.90 is: 29,014,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,401.30 : 31,281,601.95 = 19,342,746.90 : x
  2. Step 2: Convert to fraction form
    20,854,401.30/31,281,601.95 = 19,342,746.90/x
  3. Step 3: Cross multiply
    20,854,401.30x = 31,281,601.95 × 19,342,746.90
  4. Step 4: Simplify right side
    20,854,401.30x = 605,072,109,145,396.38
  5. Step 5: Solve for x
    x = 605,072,109,145,396.38/20,854,401.30
  6. Step 6: Final answer
    x = 29,014,120.35

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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.