Home / 10,938,331.80-16,410,364.90-4,206,965.40

Finding the Fourth Proportional to 10,938,331.80, 16,410,364.90 and 4,206,965.40

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Solution

The fourth proportional to 10,938,331.80, 16,410,364.90 and 4,206,965.40 is: 6,311,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938,331.80 : 16,410,364.90 = 4,206,965.40 : x
  2. Step 2: Convert to fraction form
    10,938,331.80/16,410,364.90 = 4,206,965.40/x
  3. Step 3: Cross multiply
    10,938,331.80x = 16,410,364.90 × 4,206,965.40
  4. Step 4: Simplify right side
    10,938,331.80x = 69,037,837,335,674.47
  5. Step 5: Solve for x
    x = 69,037,837,335,674.47/10,938,331.80
  6. Step 6: Final answer
    x = 6,311,550.85

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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.