Home / 20,615,225.22-30,895,937.73-11,516,955.30

Finding the Fourth Proportional to 20,615,225.22, 30,895,937.73 and 11,516,955.30

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Solution

The fourth proportional to 20,615,225.22, 30,895,937.73 and 11,516,955.30 is: 17,260,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,225.22 : 30,895,937.73 = 11,516,955.30 : x
  2. Step 2: Convert to fraction form
    20,615,225.22/30,895,937.73 = 11,516,955.30/x
  3. Step 3: Cross multiply
    20,615,225.22x = 30,895,937.73 × 11,516,955.30
  4. Step 4: Simplify right side
    20,615,225.22x = 355,827,133,787,993.50
  5. Step 5: Solve for x
    x = 355,827,133,787,993.50/20,615,225.22
  6. Step 6: Final answer
    x = 17,260,404.87

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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.