Home / 8,986,824.30-13,480,236.45-8,490,812.70

Finding the Fourth Proportional to 8,986,824.30, 13,480,236.45 and 8,490,812.70

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Solution

The fourth proportional to 8,986,824.30, 13,480,236.45 and 8,490,812.70 is: 12,736,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,824.30 : 13,480,236.45 = 8,490,812.70 : x
  2. Step 2: Convert to fraction form
    8,986,824.30/13,480,236.45 = 8,490,812.70/x
  3. Step 3: Cross multiply
    8,986,824.30x = 13,480,236.45 × 8,490,812.70
  4. Step 4: Simplify right side
    8,986,824.30x = 114,458,162,848,662.91
  5. Step 5: Solve for x
    x = 114,458,162,848,662.91/8,986,824.30
  6. Step 6: Final answer
    x = 12,736,219.05

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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.