Home / 20,273,514.08-30,406,174.14-7,319,271.56

Finding the Fourth Proportional to 20,273,514.08, 30,406,174.14 and 7,319,271.56

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Solution

The fourth proportional to 20,273,514.08, 30,406,174.14 and 7,319,271.56 is: 10,977,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,514.08 : 30,406,174.14 = 7,319,271.56 : x
  2. Step 2: Convert to fraction form
    20,273,514.08/30,406,174.14 = 7,319,271.56/x
  3. Step 3: Cross multiply
    20,273,514.08x = 30,406,174.14 × 7,319,271.56
  4. Step 4: Simplify right side
    20,273,514.08x = 222,551,045,631,309.44
  5. Step 5: Solve for x
    x = 222,551,045,631,309.44/20,273,514.08
  6. Step 6: Final answer
    x = 10,977,428.22

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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.