Home / 15,004,700.20-20,706,506.58-8,129,182.06

Finding the Fourth Proportional to 15,004,700.20, 20,706,506.58 and 8,129,182.06

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Solution

The fourth proportional to 15,004,700.20, 20,706,506.58 and 8,129,182.06 is: 11,218,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,700.20 : 20,706,506.58 = 8,129,182.06 : x
  2. Step 2: Convert to fraction form
    15,004,700.20/20,706,506.58 = 8,129,182.06/x
  3. Step 3: Cross multiply
    15,004,700.20x = 20,706,506.58 × 8,129,182.06
  4. Step 4: Simplify right side
    15,004,700.20x = 168,326,961,815,407.94
  5. Step 5: Solve for x
    x = 168,326,961,815,407.94/15,004,700.20
  6. Step 6: Final answer
    x = 11,218,282.24

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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.