Home / 11,855,519.28-16,360,632.72-6,423,011.28

Finding the Fourth Proportional to 11,855,519.28, 16,360,632.72 and 6,423,011.28

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Solution

The fourth proportional to 11,855,519.28, 16,360,632.72 and 6,423,011.28 is: 8,863,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,519.28 : 16,360,632.72 = 6,423,011.28 : x
  2. Step 2: Convert to fraction form
    11,855,519.28/16,360,632.72 = 6,423,011.28/x
  3. Step 3: Cross multiply
    11,855,519.28x = 16,360,632.72 × 6,423,011.28
  4. Step 4: Simplify right side
    11,855,519.28x = 105,084,528,508,497.09
  5. Step 5: Solve for x
    x = 105,084,528,508,497.09/11,855,519.28
  6. Step 6: Final answer
    x = 8,863,764.30

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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.