Home / 19,291,954.05-28,900,095.14-11,187,903.87

Finding the Fourth Proportional to 19,291,954.05, 28,900,095.14 and 11,187,903.87

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Solution

The fourth proportional to 19,291,954.05, 28,900,095.14 and 11,187,903.87 is: 16,759,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,954.05 : 28,900,095.14 = 11,187,903.87 : x
  2. Step 2: Convert to fraction form
    19,291,954.05/28,900,095.14 = 11,187,903.87/x
  3. Step 3: Cross multiply
    19,291,954.05x = 28,900,095.14 × 11,187,903.87
  4. Step 4: Simplify right side
    19,291,954.05x = 323,331,486,204,234.69
  5. Step 5: Solve for x
    x = 323,331,486,204,234.69/19,291,954.05
  6. Step 6: Final answer
    x = 16,759,913.76

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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.