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Finding the Fourth Proportional to 8,751,858.05, 13,127,787.08 and 8,751,858.05

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Solution

The fourth proportional to 8,751,858.05, 13,127,787.08 and 8,751,858.05 is: 13,127,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751,858.05 : 13,127,787.08 = 8,751,858.05 : x
  2. Step 2: Convert to fraction form
    8,751,858.05/13,127,787.08 = 8,751,858.05/x
  3. Step 3: Cross multiply
    8,751,858.05x = 13,127,787.08 × 8,751,858.05
  4. Step 4: Simplify right side
    8,751,858.05x = 114,892,528,991,024.70
  5. Step 5: Solve for x
    x = 114,892,528,991,024.70/8,751,858.05
  6. Step 6: Final answer
    x = 13,127,787.08

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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.