Home / 13,623,171.24-18,804,531.93-8,118,272.32

Finding the Fourth Proportional to 13,623,171.24, 18,804,531.93 and 8,118,272.32

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Solution

The fourth proportional to 13,623,171.24, 18,804,531.93 and 8,118,272.32 is: 11,205,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,171.24 : 18,804,531.93 = 8,118,272.32 : x
  2. Step 2: Convert to fraction form
    13,623,171.24/18,804,531.93 = 8,118,272.32/x
  3. Step 3: Cross multiply
    13,623,171.24x = 18,804,531.93 × 8,118,272.32
  4. Step 4: Simplify right side
    13,623,171.24x = 152,660,311,057,875.19
  5. Step 5: Solve for x
    x = 152,660,311,057,875.19/13,623,171.24
  6. Step 6: Final answer
    x = 11,205,930.57

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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.