Home / 10,786,820.90-14,885,712.21-5,892,041.12

Finding the Fourth Proportional to 10,786,820.90, 14,885,712.21 and 5,892,041.12

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Solution

The fourth proportional to 10,786,820.90, 14,885,712.21 and 5,892,041.12 is: 8,130,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786,820.90 : 14,885,712.21 = 5,892,041.12 : x
  2. Step 2: Convert to fraction form
    10,786,820.90/14,885,712.21 = 5,892,041.12/x
  3. Step 3: Cross multiply
    10,786,820.90x = 14,885,712.21 × 5,892,041.12
  4. Step 4: Simplify right side
    10,786,820.90x = 87,707,228,441,806.08
  5. Step 5: Solve for x
    x = 87,707,228,441,806.08/10,786,820.90
  6. Step 6: Final answer
    x = 8,130,961.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.