Home / 28,084,004.80-42,126,007.20-14,479,115.20

Finding the Fourth Proportional to 28,084,004.80, 42,126,007.20 and 14,479,115.20

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Solution

The fourth proportional to 28,084,004.80, 42,126,007.20 and 14,479,115.20 is: 21,718,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,004.80 : 42,126,007.20 = 14,479,115.20 : x
  2. Step 2: Convert to fraction form
    28,084,004.80/42,126,007.20 = 14,479,115.20/x
  3. Step 3: Cross multiply
    28,084,004.80x = 42,126,007.20 × 14,479,115.20
  4. Step 4: Simplify right side
    28,084,004.80x = 609,947,311,164,829.50
  5. Step 5: Solve for x
    x = 609,947,311,164,829.50/28,084,004.80
  6. Step 6: Final answer
    x = 21,718,672.80

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1.5x scale

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.