Home / 54,013,646.63-81,023,951.42-18,994,464.95

Finding the Fourth Proportional to 54,013,646.63, 81,023,951.42 and 18,994,464.95

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Solution

The fourth proportional to 54,013,646.63, 81,023,951.42 and 18,994,464.95 is: 28,492,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013,646.63 : 81,023,951.42 = 18,994,464.95 : x
  2. Step 2: Convert to fraction form
    54,013,646.63/81,023,951.42 = 18,994,464.95/x
  3. Step 3: Cross multiply
    54,013,646.63x = 81,023,951.42 × 18,994,464.95
  4. Step 4: Simplify right side
    54,013,646.63x = 1,539,006,605,438,021
  5. Step 5: Solve for x
    x = 1,539,006,605,438,021/54,013,646.63
  6. Step 6: Final answer
    x = 28,492,921.73

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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.