Home / 20,076,979.08-27,706,383.54-10,909,671.24

Finding the Fourth Proportional to 20,076,979.08, 27,706,383.54 and 10,909,671.24

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Solution

The fourth proportional to 20,076,979.08, 27,706,383.54 and 10,909,671.24 is: 15,055,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076,979.08 : 27,706,383.54 = 10,909,671.24 : x
  2. Step 2: Convert to fraction form
    20,076,979.08/27,706,383.54 = 10,909,671.24/x
  3. Step 3: Cross multiply
    20,076,979.08x = 27,706,383.54 × 10,909,671.24
  4. Step 4: Simplify right side
    20,076,979.08x = 302,267,535,670,747.38
  5. Step 5: Solve for x
    x = 302,267,535,670,747.38/20,076,979.08
  6. Step 6: Final answer
    x = 15,055,429.13

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1.5x scale

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.