Home / 9,420,184.26-12,999,805.02-5,290,389.54

Finding the Fourth Proportional to 9,420,184.26, 12,999,805.02 and 5,290,389.54

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Solution

The fourth proportional to 9,420,184.26, 12,999,805.02 and 5,290,389.54 is: 7,300,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420,184.26 : 12,999,805.02 = 5,290,389.54 : x
  2. Step 2: Convert to fraction form
    9,420,184.26/12,999,805.02 = 5,290,389.54/x
  3. Step 3: Cross multiply
    9,420,184.26x = 12,999,805.02 × 5,290,389.54
  4. Step 4: Simplify right side
    9,420,184.26x = 68,774,032,499,847.49
  5. Step 5: Solve for x
    x = 68,774,032,499,847.49/9,420,184.26
  6. Step 6: Final answer
    x = 7,300,709.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.