Home / 9,320,145.54-12,855,175.48-6,221,106.40

Finding the Fourth Proportional to 9,320,145.54, 12,855,175.48 and 6,221,106.40

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Solution

The fourth proportional to 9,320,145.54, 12,855,175.48 and 6,221,106.40 is: 8,580,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,145.54 : 12,855,175.48 = 6,221,106.40 : x
  2. Step 2: Convert to fraction form
    9,320,145.54/12,855,175.48 = 6,221,106.40/x
  3. Step 3: Cross multiply
    9,320,145.54x = 12,855,175.48 × 6,221,106.40
  4. Step 4: Simplify right side
    9,320,145.54x = 79,973,414,451,751.08
  5. Step 5: Solve for x
    x = 79,973,414,451,751.08/9,320,145.54
  6. Step 6: Final answer
    x = 8,580,704.47

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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.