Home / 15,225,519-21,009,274.20-8,699,571.12

Finding the Fourth Proportional to 15,225,519, 21,009,274.20 and 8,699,571.12

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Solution

The fourth proportional to 15,225,519, 21,009,274.20 and 8,699,571.12 is: 12,004,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225,519 : 21,009,274.20 = 8,699,571.12 : x
  2. Step 2: Convert to fraction form
    15,225,519/21,009,274.20 = 8,699,571.12/x
  3. Step 3: Cross multiply
    15,225,519x = 21,009,274.20 × 8,699,571.12
  4. Step 4: Simplify right side
    15,225,519x = 182,771,675,082,481.09
  5. Step 5: Solve for x
    x = 182,771,675,082,481.09/15,225,519
  6. Step 6: Final answer
    x = 12,004,298.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.