Home / 9,250,926.96-12,766,124.70-5,120,870.75

Finding the Fourth Proportional to 9,250,926.96, 12,766,124.70 and 5,120,870.75

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Solution

The fourth proportional to 9,250,926.96, 12,766,124.70 and 5,120,870.75 is: 7,066,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250,926.96 : 12,766,124.70 = 5,120,870.75 : x
  2. Step 2: Convert to fraction form
    9,250,926.96/12,766,124.70 = 5,120,870.75/x
  3. Step 3: Cross multiply
    9,250,926.96x = 12,766,124.70 × 5,120,870.75
  4. Step 4: Simplify right side
    9,250,926.96x = 65,373,674,569,031.01
  5. Step 5: Solve for x
    x = 65,373,674,569,031.01/9,250,926.96
  6. Step 6: Final answer
    x = 7,066,716.11

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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.