Home / 30,006,689.76-44,935,385.04-20,989,018.08

Finding the Fourth Proportional to 30,006,689.76, 44,935,385.04 and 20,989,018.08

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Solution

The fourth proportional to 30,006,689.76, 44,935,385.04 and 20,989,018.08 is: 31,431,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006,689.76 : 44,935,385.04 = 20,989,018.08 : x
  2. Step 2: Convert to fraction form
    30,006,689.76/44,935,385.04 = 20,989,018.08/x
  3. Step 3: Cross multiply
    30,006,689.76x = 44,935,385.04 × 20,989,018.08
  4. Step 4: Simplify right side
    30,006,689.76x = 943,149,609,036,321.38
  5. Step 5: Solve for x
    x = 943,149,609,036,321.38/30,006,689.76
  6. Step 6: Final answer
    x = 31,431,311.37

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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.