Home / 10,938,336.80-16,410,372.40-4,206,970.40

Finding the Fourth Proportional to 10,938,336.80, 16,410,372.40 and 4,206,970.40

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Solution

The fourth proportional to 10,938,336.80, 16,410,372.40 and 4,206,970.40 is: 6,311,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938,336.80 : 16,410,372.40 = 4,206,970.40 : x
  2. Step 2: Convert to fraction form
    10,938,336.80/16,410,372.40 = 4,206,970.40/x
  3. Step 3: Cross multiply
    10,938,336.80x = 16,410,372.40 × 4,206,970.40
  4. Step 4: Simplify right side
    10,938,336.80x = 69,037,950,939,776.97
  5. Step 5: Solve for x
    x = 69,037,950,939,776.97/10,938,336.80
  6. Step 6: Final answer
    x = 6,311,558.35

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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.