Home / 13,613,596.32-18,786,521.76-7,418,698.56

Finding the Fourth Proportional to 13,613,596.32, 18,786,521.76 and 7,418,698.56

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Solution

The fourth proportional to 13,613,596.32, 18,786,521.76 and 7,418,698.56 is: 10,237,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,596.32 : 18,786,521.76 = 7,418,698.56 : x
  2. Step 2: Convert to fraction form
    13,613,596.32/18,786,521.76 = 7,418,698.56/x
  3. Step 3: Cross multiply
    13,613,596.32x = 18,786,521.76 × 7,418,698.56
  4. Step 4: Simplify right side
    13,613,596.32x = 139,371,541,928,320.67
  5. Step 5: Solve for x
    x = 139,371,541,928,320.67/13,613,596.32
  6. Step 6: Final answer
    x = 10,237,672.59

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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.