Home / 14,461,786.45-21,681,265.82-7,170,218.75

Finding the Fourth Proportional to 14,461,786.45, 21,681,265.82 and 7,170,218.75

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Solution

The fourth proportional to 14,461,786.45, 21,681,265.82 and 7,170,218.75 is: 10,749,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461,786.45 : 21,681,265.82 = 7,170,218.75 : x
  2. Step 2: Convert to fraction form
    14,461,786.45/21,681,265.82 = 7,170,218.75/x
  3. Step 3: Cross multiply
    14,461,786.45x = 21,681,265.82 × 7,170,218.75
  4. Step 4: Simplify right side
    14,461,786.45x = 155,459,418,615,817.34
  5. Step 5: Solve for x
    x = 155,459,418,615,817.34/14,461,786.45
  6. Step 6: Final answer
    x = 10,749,669.08

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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.