Home / 8,417,919.29-11,615,861.75-6,213,954.65

Finding the Fourth Proportional to 8,417,919.29, 11,615,861.75 and 6,213,954.65

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Solution

The fourth proportional to 8,417,919.29, 11,615,861.75 and 6,213,954.65 is: 8,574,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417,919.29 : 11,615,861.75 = 6,213,954.65 : x
  2. Step 2: Convert to fraction form
    8,417,919.29/11,615,861.75 = 6,213,954.65/x
  3. Step 3: Cross multiply
    8,417,919.29x = 11,615,861.75 × 6,213,954.65
  4. Step 4: Simplify right side
    8,417,919.29x = 72,180,438,046,020.55
  5. Step 5: Solve for x
    x = 72,180,438,046,020.55/8,417,919.29
  6. Step 6: Final answer
    x = 8,574,617.50

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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.