Home / 10,855,965.20-16,283,947.80-10,688,003.60

Finding the Fourth Proportional to 10,855,965.20, 16,283,947.80 and 10,688,003.60

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Solution

The fourth proportional to 10,855,965.20, 16,283,947.80 and 10,688,003.60 is: 16,032,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855,965.20 : 16,283,947.80 = 10,688,003.60 : x
  2. Step 2: Convert to fraction form
    10,855,965.20/16,283,947.80 = 10,688,003.60/x
  3. Step 3: Cross multiply
    10,855,965.20x = 16,283,947.80 × 10,688,003.60
  4. Step 4: Simplify right side
    10,855,965.20x = 174,042,892,708,612.09
  5. Step 5: Solve for x
    x = 174,042,892,708,612.09/10,855,965.20
  6. Step 6: Final answer
    x = 16,032,005.40

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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.