Home / 31,131,405.83-42,965,302.89-18,076,065.59

Finding the Fourth Proportional to 31,131,405.83, 42,965,302.89 and 18,076,065.59

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Solution

The fourth proportional to 31,131,405.83, 42,965,302.89 and 18,076,065.59 is: 24,947,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,405.83 : 42,965,302.89 = 18,076,065.59 : x
  2. Step 2: Convert to fraction form
    31,131,405.83/42,965,302.89 = 18,076,065.59/x
  3. Step 3: Cross multiply
    31,131,405.83x = 42,965,302.89 × 18,076,065.59
  4. Step 4: Simplify right side
    31,131,405.83x = 776,643,633,133,856.50
  5. Step 5: Solve for x
    x = 776,643,633,133,856.50/31,131,405.83
  6. Step 6: Final answer
    x = 24,947,271.49

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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.