Home / 13,709,221.80-18,918,725.82-7,598,043.96

Finding the Fourth Proportional to 13,709,221.80, 18,918,725.82 and 7,598,043.96

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Solution

The fourth proportional to 13,709,221.80, 18,918,725.82 and 7,598,043.96 is: 10,485,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,221.80 : 18,918,725.82 = 7,598,043.96 : x
  2. Step 2: Convert to fraction form
    13,709,221.80/18,918,725.82 = 7,598,043.96/x
  3. Step 3: Cross multiply
    13,709,221.80x = 18,918,725.82 × 7,598,043.96
  4. Step 4: Simplify right side
    13,709,221.80x = 143,745,310,447,547.06
  5. Step 5: Solve for x
    x = 143,745,310,447,547.06/13,709,221.80
  6. Step 6: Final answer
    x = 10,485,300.52

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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.