Home / 16,422,894.72-24,632,006.40-5,640,019.20

Finding the Fourth Proportional to 16,422,894.72, 24,632,006.40 and 5,640,019.20

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Solution

The fourth proportional to 16,422,894.72, 24,632,006.40 and 5,640,019.20 is: 8,459,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422,894.72 : 24,632,006.40 = 5,640,019.20 : x
  2. Step 2: Convert to fraction form
    16,422,894.72/24,632,006.40 = 5,640,019.20/x
  3. Step 3: Cross multiply
    16,422,894.72x = 24,632,006.40 × 5,640,019.20
  4. Step 4: Simplify right side
    16,422,894.72x = 138,924,989,030,522.88
  5. Step 5: Solve for x
    x = 138,924,989,030,522.88/16,422,894.72
  6. Step 6: Final answer
    x = 8,459,226.67

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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.