Home / 28,586,359.01-39,449,392.34-15,533,688.33

Finding the Fourth Proportional to 28,586,359.01, 39,449,392.34 and 15,533,688.33

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Solution

The fourth proportional to 28,586,359.01, 39,449,392.34 and 15,533,688.33 is: 21,436,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586,359.01 : 39,449,392.34 = 15,533,688.33 : x
  2. Step 2: Convert to fraction form
    28,586,359.01/39,449,392.34 = 15,533,688.33/x
  3. Step 3: Cross multiply
    28,586,359.01x = 39,449,392.34 × 15,533,688.33
  4. Step 4: Simplify right side
    28,586,359.01x = 612,794,565,339,781
  5. Step 5: Solve for x
    x = 612,794,565,339,781/28,586,359.01
  6. Step 6: Final answer
    x = 21,436,607.76

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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.