Home / 8,889,927.20-13,334,890.80-8,516,679.20

Finding the Fourth Proportional to 8,889,927.20, 13,334,890.80 and 8,516,679.20

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Solution

The fourth proportional to 8,889,927.20, 13,334,890.80 and 8,516,679.20 is: 12,775,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,927.20 : 13,334,890.80 = 8,516,679.20 : x
  2. Step 2: Convert to fraction form
    8,889,927.20/13,334,890.80 = 8,516,679.20/x
  3. Step 3: Cross multiply
    8,889,927.20x = 13,334,890.80 × 8,516,679.20
  4. Step 4: Simplify right side
    8,889,927.20x = 113,568,987,110,631.36
  5. Step 5: Solve for x
    x = 113,568,987,110,631.36/8,889,927.20
  6. Step 6: Final answer
    x = 12,775,018.80

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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.