Home / 13,528,476.66-18,669,322.71-7,333,504.21

Finding the Fourth Proportional to 13,528,476.66, 18,669,322.71 and 7,333,504.21

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Solution

The fourth proportional to 13,528,476.66, 18,669,322.71 and 7,333,504.21 is: 10,120,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,476.66 : 18,669,322.71 = 7,333,504.21 : x
  2. Step 2: Convert to fraction form
    13,528,476.66/18,669,322.71 = 7,333,504.21/x
  3. Step 3: Cross multiply
    13,528,476.66x = 18,669,322.71 × 7,333,504.21
  4. Step 4: Simplify right side
    13,528,476.66x = 136,911,556,691,633.61
  5. Step 5: Solve for x
    x = 136,911,556,691,633.61/13,528,476.66
  6. Step 6: Final answer
    x = 10,120,249.32

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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.