Home / 7,122,030.20-10,682,786.10-2,861,041.40

Finding the Fourth Proportional to 7,122,030.20, 10,682,786.10 and 2,861,041.40

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Solution

The fourth proportional to 7,122,030.20, 10,682,786.10 and 2,861,041.40 is: 4,291,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,030.20 : 10,682,786.10 = 2,861,041.40 : x
  2. Step 2: Convert to fraction form
    7,122,030.20/10,682,786.10 = 2,861,041.40/x
  3. Step 3: Cross multiply
    7,122,030.20x = 10,682,786.10 × 2,861,041.40
  4. Step 4: Simplify right side
    7,122,030.20x = 30,563,893,299,444.54
  5. Step 5: Solve for x
    x = 30,563,893,299,444.54/7,122,030.20
  6. Step 6: Final answer
    x = 4,291,457.97

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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.