Home / 10,610,786.76-15,919,280.21-3,422,161.50

Finding the Fourth Proportional to 10,610,786.76, 15,919,280.21 and 3,422,161.50

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Solution

The fourth proportional to 10,610,786.76, 15,919,280.21 and 3,422,161.50 is: 5,134,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610,786.76 : 15,919,280.21 = 3,422,161.50 : x
  2. Step 2: Convert to fraction form
    10,610,786.76/15,919,280.21 = 3,422,161.50/x
  3. Step 3: Cross multiply
    10,610,786.76x = 15,919,280.21 × 3,422,161.50
  4. Step 4: Simplify right side
    10,610,786.76x = 54,478,347,842,373.92
  5. Step 5: Solve for x
    x = 54,478,347,842,373.92/10,610,786.76
  6. Step 6: Final answer
    x = 5,134,242.08

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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.