Home / 20,732,364.77-28,616,354.23-12,033,339.91

Finding the Fourth Proportional to 20,732,364.77, 28,616,354.23 and 12,033,339.91

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Solution

The fourth proportional to 20,732,364.77, 28,616,354.23 and 12,033,339.91 is: 16,609,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,364.77 : 28,616,354.23 = 12,033,339.91 : x
  2. Step 2: Convert to fraction form
    20,732,364.77/28,616,354.23 = 12,033,339.91/x
  3. Step 3: Cross multiply
    20,732,364.77x = 28,616,354.23 × 12,033,339.91
  4. Step 4: Simplify right side
    20,732,364.77x = 344,350,317,332,932.06
  5. Step 5: Solve for x
    x = 344,350,317,332,932.06/20,732,364.77
  6. Step 6: Final answer
    x = 16,609,312.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.