Home / 18,703,175.40-28,046,468.70-8,608,890.60

Finding the Fourth Proportional to 18,703,175.40, 28,046,468.70 and 8,608,890.60

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Solution

The fourth proportional to 18,703,175.40, 28,046,468.70 and 8,608,890.60 is: 12,909,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,175.40 : 28,046,468.70 = 8,608,890.60 : x
  2. Step 2: Convert to fraction form
    18,703,175.40/28,046,468.70 = 8,608,890.60/x
  3. Step 3: Cross multiply
    18,703,175.40x = 28,046,468.70 × 8,608,890.60
  4. Step 4: Simplify right side
    18,703,175.40x = 241,448,980,754,624.22
  5. Step 5: Solve for x
    x = 241,448,980,754,624.22/18,703,175.40
  6. Step 6: Final answer
    x = 12,909,518.07

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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.