Home / 9,997,997.85-14,997,556.38-2,808,970.63

Finding the Fourth Proportional to 9,997,997.85, 14,997,556.38 and 2,808,970.63

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Solution

The fourth proportional to 9,997,997.85, 14,997,556.38 and 2,808,970.63 is: 4,213,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997,997.85 : 14,997,556.38 = 2,808,970.63 : x
  2. Step 2: Convert to fraction form
    9,997,997.85/14,997,556.38 = 2,808,970.63/x
  3. Step 3: Cross multiply
    9,997,997.85x = 14,997,556.38 × 2,808,970.63
  4. Step 4: Simplify right side
    9,997,997.85x = 42,127,695,393,189.12
  5. Step 5: Solve for x
    x = 42,127,695,393,189.12/9,997,997.85
  6. Step 6: Final answer
    x = 4,213,613.17

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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.