Home / 18,390,689.40-27,538,794.90-14,580,060.60

Finding the Fourth Proportional to 18,390,689.40, 27,538,794.90 and 14,580,060.60

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Solution

The fourth proportional to 18,390,689.40, 27,538,794.90 and 14,580,060.60 is: 21,832,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390,689.40 : 27,538,794.90 = 14,580,060.60 : x
  2. Step 2: Convert to fraction form
    18,390,689.40/27,538,794.90 = 14,580,060.60/x
  3. Step 3: Cross multiply
    18,390,689.40x = 27,538,794.90 × 14,580,060.60
  4. Step 4: Simplify right side
    18,390,689.40x = 401,517,298,492,970.94
  5. Step 5: Solve for x
    x = 401,517,298,492,970.94/18,390,689.40
  6. Step 6: Final answer
    x = 21,832,639.86

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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.