Home / 10,522,021.20-15,783,031.80-2,948,002.80

Finding the Fourth Proportional to 10,522,021.20, 15,783,031.80 and 2,948,002.80

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Solution

The fourth proportional to 10,522,021.20, 15,783,031.80 and 2,948,002.80 is: 4,422,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522,021.20 : 15,783,031.80 = 2,948,002.80 : x
  2. Step 2: Convert to fraction form
    10,522,021.20/15,783,031.80 = 2,948,002.80/x
  3. Step 3: Cross multiply
    10,522,021.20x = 15,783,031.80 × 2,948,002.80
  4. Step 4: Simplify right side
    10,522,021.20x = 46,528,421,938,889.04
  5. Step 5: Solve for x
    x = 46,528,421,938,889.04/10,522,021.20
  6. Step 6: Final answer
    x = 4,422,004.20

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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.