Home / 9,128,106.72-12,597,251.76-5,054,173.92

Finding the Fourth Proportional to 9,128,106.72, 12,597,251.76 and 5,054,173.92

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Solution

The fourth proportional to 9,128,106.72, 12,597,251.76 and 5,054,173.92 is: 6,975,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,106.72 : 12,597,251.76 = 5,054,173.92 : x
  2. Step 2: Convert to fraction form
    9,128,106.72/12,597,251.76 = 5,054,173.92/x
  3. Step 3: Cross multiply
    9,128,106.72x = 12,597,251.76 × 5,054,173.92
  4. Step 4: Simplify right side
    9,128,106.72x = 63,668,701,309,066.09
  5. Step 5: Solve for x
    x = 63,668,701,309,066.09/9,128,106.72
  6. Step 6: Final answer
    x = 6,975,017.19

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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.