Home / 10,865,421.92-14,994,401.60-5,970,645.28

Finding the Fourth Proportional to 10,865,421.92, 14,994,401.60 and 5,970,645.28

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Solution

The fourth proportional to 10,865,421.92, 14,994,401.60 and 5,970,645.28 is: 8,239,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,421.92 : 14,994,401.60 = 5,970,645.28 : x
  2. Step 2: Convert to fraction form
    10,865,421.92/14,994,401.60 = 5,970,645.28/x
  3. Step 3: Cross multiply
    10,865,421.92x = 14,994,401.60 × 5,970,645.28
  4. Step 4: Simplify right side
    10,865,421.92x = 89,526,253,139,464.45
  5. Step 5: Solve for x
    x = 89,526,253,139,464.45/10,865,421.92
  6. Step 6: Final answer
    x = 8,239,556.07

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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.