Home / 20,127,575.74-30,163,431.38-9,170,988.91

Finding the Fourth Proportional to 20,127,575.74, 30,163,431.38 and 9,170,988.91

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Solution

The fourth proportional to 20,127,575.74, 30,163,431.38 and 9,170,988.91 is: 13,743,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,575.74 : 30,163,431.38 = 9,170,988.91 : x
  2. Step 2: Convert to fraction form
    20,127,575.74/30,163,431.38 = 9,170,988.91/x
  3. Step 3: Cross multiply
    20,127,575.74x = 30,163,431.38 × 9,170,988.91
  4. Step 4: Simplify right side
    20,127,575.74x = 276,628,494,673,526
  5. Step 5: Solve for x
    x = 276,628,494,673,526/20,127,575.74
  6. Step 6: Final answer
    x = 13,743,756.24

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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.