Home / 15,004,334.02-20,706,002.43-8,128,815.88

Finding the Fourth Proportional to 15,004,334.02, 20,706,002.43 and 8,128,815.88

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Solution

The fourth proportional to 15,004,334.02, 20,706,002.43 and 8,128,815.88 is: 11,217,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,334.02 : 20,706,002.43 = 8,128,815.88 : x
  2. Step 2: Convert to fraction form
    15,004,334.02/20,706,002.43 = 8,128,815.88/x
  3. Step 3: Cross multiply
    15,004,334.02x = 20,706,002.43 × 8,128,815.88
  4. Step 4: Simplify right side
    15,004,334.02x = 168,315,281,364,302.59
  5. Step 5: Solve for x
    x = 168,315,281,364,302.59/15,004,334.02
  6. Step 6: Final answer
    x = 11,217,777.55

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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.