Home / 7,247,429.90-10,871,106.45-1,856,069.90

Finding the Fourth Proportional to 7,247,429.90, 10,871,106.45 and 1,856,069.90

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Solution

The fourth proportional to 7,247,429.90, 10,871,106.45 and 1,856,069.90 is: 2,784,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,429.90 : 10,871,106.45 = 1,856,069.90 : x
  2. Step 2: Convert to fraction form
    7,247,429.90/10,871,106.45 = 1,856,069.90/x
  3. Step 3: Cross multiply
    7,247,429.90x = 10,871,106.45 × 1,856,069.90
  4. Step 4: Simplify right side
    7,247,429.90x = 20,177,533,461,540.85
  5. Step 5: Solve for x
    x = 20,177,533,461,540.85/7,247,429.90
  6. Step 6: Final answer
    x = 2,784,095.02

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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.