Home / 10,367,999.85-15,551,999.78-8,226,489.45

Finding the Fourth Proportional to 10,367,999.85, 15,551,999.78 and 8,226,489.45

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Solution

The fourth proportional to 10,367,999.85, 15,551,999.78 and 8,226,489.45 is: 12,339,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,999.85 : 15,551,999.78 = 8,226,489.45 : x
  2. Step 2: Convert to fraction form
    10,367,999.85/15,551,999.78 = 8,226,489.45/x
  3. Step 3: Cross multiply
    10,367,999.85x = 15,551,999.78 × 8,226,489.45
  4. Step 4: Simplify right side
    10,367,999.85x = 127,938,362,075,439.88
  5. Step 5: Solve for x
    x = 127,938,362,075,439.88/10,367,999.85
  6. Step 6: Final answer
    x = 12,339,734.18

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1.5x scale

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.