Home / 28,383,526.32-39,169,293.80-15,330,785.02

Finding the Fourth Proportional to 28,383,526.32, 39,169,293.80 and 15,330,785.02

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Solution

The fourth proportional to 28,383,526.32, 39,169,293.80 and 15,330,785.02 is: 21,156,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383,526.32 : 39,169,293.80 = 15,330,785.02 : x
  2. Step 2: Convert to fraction form
    28,383,526.32/39,169,293.80 = 15,330,785.02/x
  3. Step 3: Cross multiply
    28,383,526.32x = 39,169,293.80 × 15,330,785.02
  4. Step 4: Simplify right side
    28,383,526.32x = 600,496,022,458,441.75
  5. Step 5: Solve for x
    x = 600,496,022,458,441.75/28,383,526.32
  6. Step 6: Final answer
    x = 21,156,498.17

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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.