Home / 9,830,389.91-13,566,397.39-5,479,507.71

Finding the Fourth Proportional to 9,830,389.91, 13,566,397.39 and 5,479,507.71

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Solution

The fourth proportional to 9,830,389.91, 13,566,397.39 and 5,479,507.71 is: 7,561,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830,389.91 : 13,566,397.39 = 5,479,507.71 : x
  2. Step 2: Convert to fraction form
    9,830,389.91/13,566,397.39 = 5,479,507.71/x
  3. Step 3: Cross multiply
    9,830,389.91x = 13,566,397.39 × 5,479,507.71
  4. Step 4: Simplify right side
    9,830,389.91x = 74,337,179,081,730.11
  5. Step 5: Solve for x
    x = 74,337,179,081,730.11/9,830,389.91
  6. Step 6: Final answer
    x = 7,561,976.67

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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.