Home / 28,690,549.56-43,046,101.44-12,288,953.52

Finding the Fourth Proportional to 28,690,549.56, 43,046,101.44 and 12,288,953.52

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Solution

The fourth proportional to 28,690,549.56, 43,046,101.44 and 12,288,953.52 is: 18,437,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690,549.56 : 43,046,101.44 = 12,288,953.52 : x
  2. Step 2: Convert to fraction form
    28,690,549.56/43,046,101.44 = 12,288,953.52/x
  3. Step 3: Cross multiply
    28,690,549.56x = 43,046,101.44 × 12,288,953.52
  4. Step 4: Simplify right side
    28,690,549.56x = 528,991,539,813,365
  5. Step 5: Solve for x
    x = 528,991,539,813,365/28,690,549.56
  6. Step 6: Final answer
    x = 18,437,832.25

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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.