Home / 19,008,097.20-28,512,145.80-4,824,673.20

Finding the Fourth Proportional to 19,008,097.20, 28,512,145.80 and 4,824,673.20

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Solution

The fourth proportional to 19,008,097.20, 28,512,145.80 and 4,824,673.20 is: 7,237,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,097.20 : 28,512,145.80 = 4,824,673.20 : x
  2. Step 2: Convert to fraction form
    19,008,097.20/28,512,145.80 = 4,824,673.20/x
  3. Step 3: Cross multiply
    19,008,097.20x = 28,512,145.80 × 4,824,673.20
  4. Step 4: Simplify right side
    19,008,097.20x = 137,561,785,715,752.56
  5. Step 5: Solve for x
    x = 137,561,785,715,752.56/19,008,097.20
  6. Step 6: Final answer
    x = 7,237,009.80

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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.