Home / 18,901,639.04-28,367,592.59-9,806,343.44

Finding the Fourth Proportional to 18,901,639.04, 28,367,592.59 and 9,806,343.44

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Solution

The fourth proportional to 18,901,639.04, 28,367,592.59 and 9,806,343.44 is: 14,717,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,639.04 : 28,367,592.59 = 9,806,343.44 : x
  2. Step 2: Convert to fraction form
    18,901,639.04/28,367,592.59 = 9,806,343.44/x
  3. Step 3: Cross multiply
    18,901,639.04x = 28,367,592.59 × 9,806,343.44
  4. Step 4: Simplify right side
    18,901,639.04x = 278,182,355,386,217.03
  5. Step 5: Solve for x
    x = 278,182,355,386,217.03/18,901,639.04
  6. Step 6: Final answer
    x = 14,717,366.83

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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.