Home / 20,615,225.24-30,895,937.75-11,516,955.32

Finding the Fourth Proportional to 20,615,225.24, 30,895,937.75 and 11,516,955.32

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Solution

The fourth proportional to 20,615,225.24, 30,895,937.75 and 11,516,955.32 is: 17,260,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,225.24 : 30,895,937.75 = 11,516,955.32 : x
  2. Step 2: Convert to fraction form
    20,615,225.24/30,895,937.75 = 11,516,955.32/x
  3. Step 3: Cross multiply
    20,615,225.24x = 30,895,937.75 × 11,516,955.32
  4. Step 4: Simplify right side
    20,615,225.24x = 355,827,134,424,186.88
  5. Step 5: Solve for x
    x = 355,827,134,424,186.88/20,615,225.24
  6. Step 6: Final answer
    x = 17,260,404.89

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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.