Home / 9,685,885.72-13,366,521.66-5,613,866.68

Finding the Fourth Proportional to 9,685,885.72, 13,366,521.66 and 5,613,866.68

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Solution

The fourth proportional to 9,685,885.72, 13,366,521.66 and 5,613,866.68 is: 7,747,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685,885.72 : 13,366,521.66 = 5,613,866.68 : x
  2. Step 2: Convert to fraction form
    9,685,885.72/13,366,521.66 = 5,613,866.68/x
  3. Step 3: Cross multiply
    9,685,885.72x = 13,366,521.66 × 5,613,866.68
  4. Step 4: Simplify right side
    9,685,885.72x = 75,037,870,574,572.28
  5. Step 5: Solve for x
    x = 75,037,870,574,572.28/9,685,885.72
  6. Step 6: Final answer
    x = 7,747,135.65

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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.