Home / 28,006,345.68-42,009,525.72-8,838,602.88

Finding the Fourth Proportional to 28,006,345.68, 42,009,525.72 and 8,838,602.88

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Solution

The fourth proportional to 28,006,345.68, 42,009,525.72 and 8,838,602.88 is: 13,257,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,345.68 : 42,009,525.72 = 8,838,602.88 : x
  2. Step 2: Convert to fraction form
    28,006,345.68/42,009,525.72 = 8,838,602.88/x
  3. Step 3: Cross multiply
    28,006,345.68x = 42,009,525.72 × 8,838,602.88
  4. Step 4: Simplify right side
    28,006,345.68x = 371,305,515,016,226.12
  5. Step 5: Solve for x
    x = 371,305,515,016,226.12/28,006,345.68
  6. Step 6: Final answer
    x = 13,257,906.59

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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.