Home / 9,157,675.74-12,637,640.79-5,721,907.74

Finding the Fourth Proportional to 9,157,675.74, 12,637,640.79 and 5,721,907.74

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Solution

The fourth proportional to 9,157,675.74, 12,637,640.79 and 5,721,907.74 is: 7,896,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157,675.74 : 12,637,640.79 = 5,721,907.74 : x
  2. Step 2: Convert to fraction form
    9,157,675.74/12,637,640.79 = 5,721,907.74/x
  3. Step 3: Cross multiply
    9,157,675.74x = 12,637,640.79 × 5,721,907.74
  4. Step 4: Simplify right side
    9,157,675.74x = 72,311,414,651,640.72
  5. Step 5: Solve for x
    x = 72,311,414,651,640.72/9,157,675.74
  6. Step 6: Final answer
    x = 7,896,262.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.