Home / 39,861,223.74-55,008,489.45-21,526,509.24

Finding the Fourth Proportional to 39,861,223.74, 55,008,489.45 and 21,526,509.24

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Solution

The fourth proportional to 39,861,223.74, 55,008,489.45 and 21,526,509.24 is: 29,706,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,223.74 : 55,008,489.45 = 21,526,509.24 : x
  2. Step 2: Convert to fraction form
    39,861,223.74/55,008,489.45 = 21,526,509.24/x
  3. Step 3: Cross multiply
    39,861,223.74x = 55,008,489.45 × 21,526,509.24
  4. Step 4: Simplify right side
    39,861,223.74x = 1,184,140,756,423,867.50
  5. Step 5: Solve for x
    x = 1,184,140,756,423,867.50/39,861,223.74
  6. Step 6: Final answer
    x = 29,706,583.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.