Home / 8,889,928.70-13,334,893.05-8,516,680.70

Finding the Fourth Proportional to 8,889,928.70, 13,334,893.05 and 8,516,680.70

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Solution

The fourth proportional to 8,889,928.70, 13,334,893.05 and 8,516,680.70 is: 12,775,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,928.70 : 13,334,893.05 = 8,516,680.70 : x
  2. Step 2: Convert to fraction form
    8,889,928.70/13,334,893.05 = 8,516,680.70/x
  3. Step 3: Cross multiply
    8,889,928.70x = 13,334,893.05 × 8,516,680.70
  4. Step 4: Simplify right side
    8,889,928.70x = 113,569,026,275,499.12
  5. Step 5: Solve for x
    x = 113,569,026,275,499.12/8,889,928.70
  6. Step 6: Final answer
    x = 12,775,021.05

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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.