Home / 19,331,395.20-28,996,171.20-6,550,646.40

Finding the Fourth Proportional to 19,331,395.20, 28,996,171.20 and 6,550,646.40

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Solution

The fourth proportional to 19,331,395.20, 28,996,171.20 and 6,550,646.40 is: 9,825,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,395.20 : 28,996,171.20 = 6,550,646.40 : x
  2. Step 2: Convert to fraction form
    19,331,395.20/28,996,171.20 = 6,550,646.40/x
  3. Step 3: Cross multiply
    19,331,395.20x = 28,996,171.20 × 6,550,646.40
  4. Step 4: Simplify right side
    19,331,395.20x = 189,943,664,485,063.69
  5. Step 5: Solve for x
    x = 189,943,664,485,063.69/19,331,395.20
  6. Step 6: Final answer
    x = 9,825,657.31

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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.