Home / 20,479,806.84-30,695,215.84-9,535,242.36

Finding the Fourth Proportional to 20,479,806.84, 30,695,215.84 and 9,535,242.36

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Solution

The fourth proportional to 20,479,806.84, 30,695,215.84 and 9,535,242.36 is: 14,291,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,479,806.84 : 30,695,215.84 = 9,535,242.36 : x
  2. Step 2: Convert to fraction form
    20,479,806.84/30,695,215.84 = 9,535,242.36/x
  3. Step 3: Cross multiply
    20,479,806.84x = 30,695,215.84 × 9,535,242.36
  4. Step 4: Simplify right side
    20,479,806.84x = 292,686,322,326,910.94
  5. Step 5: Solve for x
    x = 292,686,322,326,910.94/20,479,806.84
  6. Step 6: Final answer
    x = 14,291,459.12

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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.