Home / 18,076,511.40-27,141,339.15-12,708,957.30

Finding the Fourth Proportional to 18,076,511.40, 27,141,339.15 and 12,708,957.30

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Solution

The fourth proportional to 18,076,511.40, 27,141,339.15 and 12,708,957.30 is: 19,082,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076,511.40 : 27,141,339.15 = 12,708,957.30 : x
  2. Step 2: Convert to fraction form
    18,076,511.40/27,141,339.15 = 12,708,957.30/x
  3. Step 3: Cross multiply
    18,076,511.40x = 27,141,339.15 × 12,708,957.30
  4. Step 4: Simplify right side
    18,076,511.40x = 344,938,120,322,168.31
  5. Step 5: Solve for x
    x = 344,938,120,322,168.31/18,076,511.40
  6. Step 6: Final answer
    x = 19,082,117.82

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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.