Home / 28,509,602.78-42,760,610.33-8,040,966.18

Finding the Fourth Proportional to 28,509,602.78, 42,760,610.33 and 8,040,966.18

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Solution

The fourth proportional to 28,509,602.78, 42,760,610.33 and 8,040,966.18 is: 12,060,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,509,602.78 : 42,760,610.33 = 8,040,966.18 : x
  2. Step 2: Convert to fraction form
    28,509,602.78/42,760,610.33 = 8,040,966.18/x
  3. Step 3: Cross multiply
    28,509,602.78x = 42,760,610.33 × 8,040,966.18
  4. Step 4: Simplify right side
    28,509,602.78x = 343,836,621,459,483.81
  5. Step 5: Solve for x
    x = 343,836,621,459,483.81/28,509,602.78
  6. Step 6: Final answer
    x = 12,060,379.24

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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.