Home / 8,861,036.75-12,230,505.90-5,771,259.55

Finding the Fourth Proportional to 8,861,036.75, 12,230,505.90 and 5,771,259.55

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Solution

The fourth proportional to 8,861,036.75, 12,230,505.90 and 5,771,259.55 is: 7,965,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861,036.75 : 12,230,505.90 = 5,771,259.55 : x
  2. Step 2: Convert to fraction form
    8,861,036.75/12,230,505.90 = 5,771,259.55/x
  3. Step 3: Cross multiply
    8,861,036.75x = 12,230,505.90 × 5,771,259.55
  4. Step 4: Simplify right side
    8,861,036.75x = 70,585,423,991,994.47
  5. Step 5: Solve for x
    x = 70,585,423,991,994.47/8,861,036.75
  6. Step 6: Final answer
    x = 7,965,820.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.