Home / 28,224,007.20-42,336,010.80-8,026,624.80

Finding the Fourth Proportional to 28,224,007.20, 42,336,010.80 and 8,026,624.80

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Solution

The fourth proportional to 28,224,007.20, 42,336,010.80 and 8,026,624.80 is: 12,039,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224,007.20 : 42,336,010.80 = 8,026,624.80 : x
  2. Step 2: Convert to fraction form
    28,224,007.20/42,336,010.80 = 8,026,624.80/x
  3. Step 3: Cross multiply
    28,224,007.20x = 42,336,010.80 × 8,026,624.80
  4. Step 4: Simplify right side
    28,224,007.20x = 339,815,274,220,347.81
  5. Step 5: Solve for x
    x = 339,815,274,220,347.81/28,224,007.20
  6. Step 6: Final answer
    x = 12,039,937.20

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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.