Home / 13,117,827.66-18,101,781.27-7,237,531.41

Finding the Fourth Proportional to 13,117,827.66, 18,101,781.27 and 7,237,531.41

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Solution

The fourth proportional to 13,117,827.66, 18,101,781.27 and 7,237,531.41 is: 9,987,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,827.66 : 18,101,781.27 = 7,237,531.41 : x
  2. Step 2: Convert to fraction form
    13,117,827.66/18,101,781.27 = 7,237,531.41/x
  3. Step 3: Cross multiply
    13,117,827.66x = 18,101,781.27 × 7,237,531.41
  4. Step 4: Simplify right side
    13,117,827.66x = 131,012,210,518,574.69
  5. Step 5: Solve for x
    x = 131,012,210,518,574.69/13,117,827.66
  6. Step 6: Final answer
    x = 9,987,340.43

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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.