Home / 20,224,100.18-27,909,384.48-10,931,651.39

Finding the Fourth Proportional to 20,224,100.18, 27,909,384.48 and 10,931,651.39

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Solution

The fourth proportional to 20,224,100.18, 27,909,384.48 and 10,931,651.39 is: 15,085,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,100.18 : 27,909,384.48 = 10,931,651.39 : x
  2. Step 2: Convert to fraction form
    20,224,100.18/27,909,384.48 = 10,931,651.39/x
  3. Step 3: Cross multiply
    20,224,100.18x = 27,909,384.48 × 10,931,651.39
  4. Step 4: Simplify right side
    20,224,100.18x = 305,095,661,505,289.50
  5. Step 5: Solve for x
    x = 305,095,661,505,289.50/20,224,100.18
  6. Step 6: Final answer
    x = 15,085,747.15

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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.