Home / 31,131,404.83-42,965,301.51-18,076,064.59

Finding the Fourth Proportional to 31,131,404.83, 42,965,301.51 and 18,076,064.59

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Solution

The fourth proportional to 31,131,404.83, 42,965,301.51 and 18,076,064.59 is: 24,947,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,404.83 : 42,965,301.51 = 18,076,064.59 : x
  2. Step 2: Convert to fraction form
    31,131,404.83/42,965,301.51 = 18,076,064.59/x
  3. Step 3: Cross multiply
    31,131,404.83x = 42,965,301.51 × 18,076,064.59
  4. Step 4: Simplify right side
    31,131,404.83x = 776,643,564,918,377.75
  5. Step 5: Solve for x
    x = 776,643,564,918,377.75/31,131,404.83
  6. Step 6: Final answer
    x = 24,947,270.11

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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.