Home / 13,320,290.80-19,968,189-4,798,543.24

Finding the Fourth Proportional to 13,320,290.80, 19,968,189 and 4,798,543.24

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Solution

The fourth proportional to 13,320,290.80, 19,968,189 and 4,798,543.24 is: 7,193,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,290.80 : 19,968,189 = 4,798,543.24 : x
  2. Step 2: Convert to fraction form
    13,320,290.80/19,968,189 = 4,798,543.24/x
  3. Step 3: Cross multiply
    13,320,290.80x = 19,968,189 × 4,798,543.24
  4. Step 4: Simplify right side
    13,320,290.80x = 95,818,218,340,992.36
  5. Step 5: Solve for x
    x = 95,818,218,340,992.36/13,320,290.80
  6. Step 6: Final answer
    x = 7,193,402.89

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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.