Home / 28,336,350.84-42,507,560.72-7,866,155.98

Finding the Fourth Proportional to 28,336,350.84, 42,507,560.72 and 7,866,155.98

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Solution

The fourth proportional to 28,336,350.84, 42,507,560.72 and 7,866,155.98 is: 11,800,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336,350.84 : 42,507,560.72 = 7,866,155.98 : x
  2. Step 2: Convert to fraction form
    28,336,350.84/42,507,560.72 = 7,866,155.98/x
  3. Step 3: Cross multiply
    28,336,350.84x = 42,507,560.72 × 7,866,155.98
  4. Step 4: Simplify right side
    28,336,350.84x = 334,371,102,952,841.12
  5. Step 5: Solve for x
    x = 334,371,102,952,841.12/28,336,350.84
  6. Step 6: Final answer
    x = 11,800,076.33

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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.