Home / 28,586,890.16-39,449,878.50-15,534,118.02

Finding the Fourth Proportional to 28,586,890.16, 39,449,878.50 and 15,534,118.02

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Solution

The fourth proportional to 28,586,890.16, 39,449,878.50 and 15,534,118.02 is: 21,437,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586,890.16 : 39,449,878.50 = 15,534,118.02 : x
  2. Step 2: Convert to fraction form
    28,586,890.16/39,449,878.50 = 15,534,118.02/x
  3. Step 3: Cross multiply
    28,586,890.16x = 39,449,878.50 × 15,534,118.02
  4. Step 4: Simplify right side
    28,586,890.16x = 612,819,068,493,660.50
  5. Step 5: Solve for x
    x = 612,819,068,493,660.50/28,586,890.16
  6. Step 6: Final answer
    x = 21,437,066.61

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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.