Home / 8,856,943.70-13,285,415.55-8,688,982.10

Finding the Fourth Proportional to 8,856,943.70, 13,285,415.55 and 8,688,982.10

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Solution

The fourth proportional to 8,856,943.70, 13,285,415.55 and 8,688,982.10 is: 13,033,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,943.70 : 13,285,415.55 = 8,688,982.10 : x
  2. Step 2: Convert to fraction form
    8,856,943.70/13,285,415.55 = 8,688,982.10/x
  3. Step 3: Cross multiply
    8,856,943.70x = 13,285,415.55 × 8,688,982.10
  4. Step 4: Simplify right side
    8,856,943.70x = 115,436,737,905,011.66
  5. Step 5: Solve for x
    x = 115,436,737,905,011.66/8,856,943.70
  6. Step 6: Final answer
    x = 13,033,473.15

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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.