Home / 10,856,500.16-16,259,947.20-5,180,710.40

Finding the Fourth Proportional to 10,856,500.16, 16,259,947.20 and 5,180,710.40

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Solution

The fourth proportional to 10,856,500.16, 16,259,947.20 and 5,180,710.40 is: 7,759,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,500.16 : 16,259,947.20 = 5,180,710.40 : x
  2. Step 2: Convert to fraction form
    10,856,500.16/16,259,947.20 = 5,180,710.40/x
  3. Step 3: Cross multiply
    10,856,500.16x = 16,259,947.20 × 5,180,710.40
  4. Step 4: Simplify right side
    10,856,500.16x = 84,238,077,562,490.88
  5. Step 5: Solve for x
    x = 84,238,077,562,490.88/10,856,500.16
  6. Step 6: Final answer
    x = 7,759,229.62

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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.