Home / 10,985,168.60-16,478,981.70-3,412,074.20

Finding the Fourth Proportional to 10,985,168.60, 16,478,981.70 and 3,412,074.20

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Solution

The fourth proportional to 10,985,168.60, 16,478,981.70 and 3,412,074.20 is: 5,118,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,168.60 : 16,478,981.70 = 3,412,074.20 : x
  2. Step 2: Convert to fraction form
    10,985,168.60/16,478,981.70 = 3,412,074.20/x
  3. Step 3: Cross multiply
    10,985,168.60x = 16,478,981.70 × 3,412,074.20
  4. Step 4: Simplify right side
    10,985,168.60x = 56,227,508,300,842.14
  5. Step 5: Solve for x
    x = 56,227,508,300,842.14/10,985,168.60
  6. Step 6: Final answer
    x = 5,118,492.97

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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.