Home / 28,162,576.37-42,258,269.84-13,407,345.33

Finding the Fourth Proportional to 28,162,576.37, 42,258,269.84 and 13,407,345.33

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Solution

The fourth proportional to 28,162,576.37, 42,258,269.84 and 13,407,345.33 is: 20,117,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162,576.37 : 42,258,269.84 = 13,407,345.33 : x
  2. Step 2: Convert to fraction form
    28,162,576.37/42,258,269.84 = 13,407,345.33/x
  3. Step 3: Cross multiply
    28,162,576.37x = 42,258,269.84 × 13,407,345.33
  4. Step 4: Simplify right side
    28,162,576.37x = 566,571,216,726,167.12
  5. Step 5: Solve for x
    x = 566,571,216,726,167.12/28,162,576.37
  6. Step 6: Final answer
    x = 20,117,875.91

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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.