Home / 18,636,045.40-27,937,446.90-7,273,851.40

Finding the Fourth Proportional to 18,636,045.40, 27,937,446.90 and 7,273,851.40

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Solution

The fourth proportional to 18,636,045.40, 27,937,446.90 and 7,273,851.40 is: 10,904,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,045.40 : 27,937,446.90 = 7,273,851.40 : x
  2. Step 2: Convert to fraction form
    18,636,045.40/27,937,446.90 = 7,273,851.40/x
  3. Step 3: Cross multiply
    18,636,045.40x = 27,937,446.90 × 7,273,851.40
  4. Step 4: Simplify right side
    18,636,045.40x = 203,212,837,245,990.66
  5. Step 5: Solve for x
    x = 203,212,837,245,990.66/18,636,045.40
  6. Step 6: Final answer
    x = 10,904,289.66

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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.