Home / 13,644,843.80-20,440,308.90-6,918,085.40

Finding the Fourth Proportional to 13,644,843.80, 20,440,308.90 and 6,918,085.40

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Solution

The fourth proportional to 13,644,843.80, 20,440,308.90 and 6,918,085.40 is: 10,363,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,843.80 : 20,440,308.90 = 6,918,085.40 : x
  2. Step 2: Convert to fraction form
    13,644,843.80/20,440,308.90 = 6,918,085.40/x
  3. Step 3: Cross multiply
    13,644,843.80x = 20,440,308.90 × 6,918,085.40
  4. Step 4: Simplify right side
    13,644,843.80x = 141,407,802,572,580.06
  5. Step 5: Solve for x
    x = 141,407,802,572,580.06/13,644,843.80
  6. Step 6: Final answer
    x = 10,363,460.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.