Home / 8,150,425.20-12,225,637.80-5,758,940.70

Finding the Fourth Proportional to 8,150,425.20, 12,225,637.80 and 5,758,940.70

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Solution

The fourth proportional to 8,150,425.20, 12,225,637.80 and 5,758,940.70 is: 8,638,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,425.20 : 12,225,637.80 = 5,758,940.70 : x
  2. Step 2: Convert to fraction form
    8,150,425.20/12,225,637.80 = 5,758,940.70/x
  3. Step 3: Cross multiply
    8,150,425.20x = 12,225,637.80 × 5,758,940.70
  4. Step 4: Simplify right side
    8,150,425.20x = 70,406,723,109,878.47
  5. Step 5: Solve for x
    x = 70,406,723,109,878.47/8,150,425.20
  6. Step 6: Final answer
    x = 8,638,411.05

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1.5x scale

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.