Home / 10,669,096.80-16,003,645.20-6,842,721.60

Finding the Fourth Proportional to 10,669,096.80, 16,003,645.20 and 6,842,721.60

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Solution

The fourth proportional to 10,669,096.80, 16,003,645.20 and 6,842,721.60 is: 10,264,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669,096.80 : 16,003,645.20 = 6,842,721.60 : x
  2. Step 2: Convert to fraction form
    10,669,096.80/16,003,645.20 = 6,842,721.60/x
  3. Step 3: Cross multiply
    10,669,096.80x = 16,003,645.20 × 6,842,721.60
  4. Step 4: Simplify right side
    10,669,096.80x = 109,508,488,688,776.31
  5. Step 5: Solve for x
    x = 109,508,488,688,776.31/10,669,096.80
  6. Step 6: Final answer
    x = 10,264,082.40

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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.