Home / 28,232,134.80-42,347,327.40-8,037,376.80

Finding the Fourth Proportional to 28,232,134.80, 42,347,327.40 and 8,037,376.80

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Solution

The fourth proportional to 28,232,134.80, 42,347,327.40 and 8,037,376.80 is: 12,055,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,134.80 : 42,347,327.40 = 8,037,376.80 : x
  2. Step 2: Convert to fraction form
    28,232,134.80/42,347,327.40 = 8,037,376.80/x
  3. Step 3: Cross multiply
    28,232,134.80x = 42,347,327.40 × 8,037,376.80
  4. Step 4: Simplify right side
    28,232,134.80x = 340,361,426,786,764.31
  5. Step 5: Solve for x
    x = 340,361,426,786,764.31/28,232,134.80
  6. Step 6: Final answer
    x = 12,055,816.15

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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.