Home / 15,756,561.80-23,621,720.70-6,665,640.20

Finding the Fourth Proportional to 15,756,561.80, 23,621,720.70 and 6,665,640.20

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Solution

The fourth proportional to 15,756,561.80, 23,621,720.70 and 6,665,640.20 is: 9,992,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,561.80 : 23,621,720.70 = 6,665,640.20 : x
  2. Step 2: Convert to fraction form
    15,756,561.80/23,621,720.70 = 6,665,640.20/x
  3. Step 3: Cross multiply
    15,756,561.80x = 23,621,720.70 × 6,665,640.20
  4. Step 4: Simplify right side
    15,756,561.80x = 157,453,891,091,092.12
  5. Step 5: Solve for x
    x = 157,453,891,091,092.12/15,756,561.80
  6. Step 6: Final answer
    x = 9,992,909.18

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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.