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Finding the Fourth Proportional to 8,907,007.70, 13,360,511.55 and 8,907,007.70

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Solution

The fourth proportional to 8,907,007.70, 13,360,511.55 and 8,907,007.70 is: 13,360,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,007.70 : 13,360,511.55 = 8,907,007.70 : x
  2. Step 2: Convert to fraction form
    8,907,007.70/13,360,511.55 = 8,907,007.70/x
  3. Step 3: Cross multiply
    8,907,007.70x = 13,360,511.55 × 8,907,007.70
  4. Step 4: Simplify right side
    8,907,007.70x = 119,002,179,251,788.94
  5. Step 5: Solve for x
    x = 119,002,179,251,788.94/8,907,007.70
  6. Step 6: Final answer
    x = 13,360,511.55

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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.