Home / 28,134,340.58-42,195,605.90-7,934,858.66

Finding the Fourth Proportional to 28,134,340.58, 42,195,605.90 and 7,934,858.66

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Solution

The fourth proportional to 28,134,340.58, 42,195,605.90 and 7,934,858.66 is: 11,900,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,340.58 : 42,195,605.90 = 7,934,858.66 : x
  2. Step 2: Convert to fraction form
    28,134,340.58/42,195,605.90 = 7,934,858.66/x
  3. Step 3: Cross multiply
    28,134,340.58x = 42,195,605.90 × 7,934,858.66
  4. Step 4: Simplify right side
    28,134,340.58x = 334,816,168,889,562.06
  5. Step 5: Solve for x
    x = 334,816,168,889,562.06/28,134,340.58
  6. Step 6: Final answer
    x = 11,900,622.58

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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.