Home / 13,590,489.69-18,754,633.22-7,395,325.11

Finding the Fourth Proportional to 13,590,489.69, 18,754,633.22 and 7,395,325.11

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Solution

The fourth proportional to 13,590,489.69, 18,754,633.22 and 7,395,325.11 is: 10,205,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,489.69 : 18,754,633.22 = 7,395,325.11 : x
  2. Step 2: Convert to fraction form
    13,590,489.69/18,754,633.22 = 7,395,325.11/x
  3. Step 3: Cross multiply
    13,590,489.69x = 18,754,633.22 × 7,395,325.11
  4. Step 4: Simplify right side
    13,590,489.69x = 138,696,609,943,729.53
  5. Step 5: Solve for x
    x = 138,696,609,943,729.53/13,590,489.69
  6. Step 6: Final answer
    x = 10,205,416.66

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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.