Home / 21,768,165.29-32,656,971.86-6,621,703.13

Finding the Fourth Proportional to 21,768,165.29, 32,656,971.86 and 6,621,703.13

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Solution

The fourth proportional to 21,768,165.29, 32,656,971.86 and 6,621,703.13 is: 9,933,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768,165.29 : 32,656,971.86 = 6,621,703.13 : x
  2. Step 2: Convert to fraction form
    21,768,165.29/32,656,971.86 = 6,621,703.13/x
  3. Step 3: Cross multiply
    21,768,165.29x = 32,656,971.86 × 6,621,703.13
  4. Step 4: Simplify right side
    21,768,165.29x = 216,244,772,585,290.56
  5. Step 5: Solve for x
    x = 216,244,772,585,290.56/21,768,165.29
  6. Step 6: Final answer
    x = 9,933,991.67

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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.