Home / 15,136,666.40-20,905,976.40-11,025,015.68

Finding the Fourth Proportional to 15,136,666.40, 20,905,976.40 and 11,025,015.68

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Solution

The fourth proportional to 15,136,666.40, 20,905,976.40 and 11,025,015.68 is: 15,227,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,666.40 : 20,905,976.40 = 11,025,015.68 : x
  2. Step 2: Convert to fraction form
    15,136,666.40/20,905,976.40 = 11,025,015.68/x
  3. Step 3: Cross multiply
    15,136,666.40x = 20,905,976.40 × 11,025,015.68
  4. Step 4: Simplify right side
    15,136,666.40x = 230,488,717,615,709.94
  5. Step 5: Solve for x
    x = 230,488,717,615,709.94/15,136,666.40
  6. Step 6: Final answer
    x = 15,227,178.27

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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.