Home / 19,008,021.20-28,512,031.80-15,816,750.80

Finding the Fourth Proportional to 19,008,021.20, 28,512,031.80 and 15,816,750.80

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Solution

The fourth proportional to 19,008,021.20, 28,512,031.80 and 15,816,750.80 is: 23,725,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,021.20 : 28,512,031.80 = 15,816,750.80 : x
  2. Step 2: Convert to fraction form
    19,008,021.20/28,512,031.80 = 15,816,750.80/x
  3. Step 3: Cross multiply
    19,008,021.20x = 28,512,031.80 × 15,816,750.80
  4. Step 4: Simplify right side
    19,008,021.20x = 450,967,701,782,275.50
  5. Step 5: Solve for x
    x = 450,967,701,782,275.50/19,008,021.20
  6. Step 6: Final answer
    x = 23,725,126.20

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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.