Home / 9,619,747.20-14,429,620.80-8,835,926.40

Finding the Fourth Proportional to 9,619,747.20, 14,429,620.80 and 8,835,926.40

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Solution

The fourth proportional to 9,619,747.20, 14,429,620.80 and 8,835,926.40 is: 13,253,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619,747.20 : 14,429,620.80 = 8,835,926.40 : x
  2. Step 2: Convert to fraction form
    9,619,747.20/14,429,620.80 = 8,835,926.40/x
  3. Step 3: Cross multiply
    9,619,747.20x = 14,429,620.80 × 8,835,926.40
  4. Step 4: Simplify right side
    9,619,747.20x = 127,499,067,368,709.12
  5. Step 5: Solve for x
    x = 127,499,067,368,709.12/9,619,747.20
  6. Step 6: Final answer
    x = 13,253,889.60

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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.