Home / 10,422,008.20-15,633,012.30-9,837,423.10

Finding the Fourth Proportional to 10,422,008.20, 15,633,012.30 and 9,837,423.10

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Solution

The fourth proportional to 10,422,008.20, 15,633,012.30 and 9,837,423.10 is: 14,756,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422,008.20 : 15,633,012.30 = 9,837,423.10 : x
  2. Step 2: Convert to fraction form
    10,422,008.20/15,633,012.30 = 9,837,423.10/x
  3. Step 3: Cross multiply
    10,422,008.20x = 15,633,012.30 × 9,837,423.10
  4. Step 4: Simplify right side
    10,422,008.20x = 153,788,556,322,604.12
  5. Step 5: Solve for x
    x = 153,788,556,322,604.12/10,422,008.20
  6. Step 6: Final answer
    x = 14,756,134.65

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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.