Home / 13,649,468.36-18,836,376.53-7,537,896.86

Finding the Fourth Proportional to 13,649,468.36, 18,836,376.53 and 7,537,896.86

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Solution

The fourth proportional to 13,649,468.36, 18,836,376.53 and 7,537,896.86 is: 10,402,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,468.36 : 18,836,376.53 = 7,537,896.86 : x
  2. Step 2: Convert to fraction form
    13,649,468.36/18,836,376.53 = 7,537,896.86/x
  3. Step 3: Cross multiply
    13,649,468.36x = 18,836,376.53 × 7,537,896.86
  4. Step 4: Simplify right side
    13,649,468.36x = 141,986,663,367,393.31
  5. Step 5: Solve for x
    x = 141,986,663,367,393.31/13,649,468.36
  6. Step 6: Final answer
    x = 10,402,358.51

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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.