Home / 12,892,341.62-19,340,715.63-5,315,165.30

Finding the Fourth Proportional to 12,892,341.62, 19,340,715.63 and 5,315,165.30

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Solution

The fourth proportional to 12,892,341.62, 19,340,715.63 and 5,315,165.30 is: 7,973,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,341.62 : 19,340,715.63 = 5,315,165.30 : x
  2. Step 2: Convert to fraction form
    12,892,341.62/19,340,715.63 = 5,315,165.30/x
  3. Step 3: Cross multiply
    12,892,341.62x = 19,340,715.63 × 5,315,165.30
  4. Step 4: Simplify right side
    12,892,341.62x = 102,799,100,593,743.62
  5. Step 5: Solve for x
    x = 102,799,100,593,743.62/12,892,341.62
  6. Step 6: Final answer
    x = 7,973,656.27

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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.