Home / 9,021,406.30-13,532,109.45-8,489,965.30

Finding the Fourth Proportional to 9,021,406.30, 13,532,109.45 and 8,489,965.30

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Solution

The fourth proportional to 9,021,406.30, 13,532,109.45 and 8,489,965.30 is: 12,734,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,406.30 : 13,532,109.45 = 8,489,965.30 : x
  2. Step 2: Convert to fraction form
    9,021,406.30/13,532,109.45 = 8,489,965.30/x
  3. Step 3: Cross multiply
    9,021,406.30x = 13,532,109.45 × 8,489,965.30
  4. Step 4: Simplify right side
    9,021,406.30x = 114,887,139,666,302.09
  5. Step 5: Solve for x
    x = 114,887,139,666,302.09/9,021,406.30
  6. Step 6: Final answer
    x = 12,734,947.95

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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.