Home / 30,092,978.57-45,125,240.49-11,657,558.21

Finding the Fourth Proportional to 30,092,978.57, 45,125,240.49 and 11,657,558.21

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Solution

The fourth proportional to 30,092,978.57, 45,125,240.49 and 11,657,558.21 is: 17,480,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092,978.57 : 45,125,240.49 = 11,657,558.21 : x
  2. Step 2: Convert to fraction form
    30,092,978.57/45,125,240.49 = 11,657,558.21/x
  3. Step 3: Cross multiply
    30,092,978.57x = 45,125,240.49 × 11,657,558.21
  4. Step 4: Simplify right side
    30,092,978.57x = 526,050,117,526,797.75
  5. Step 5: Solve for x
    x = 526,050,117,526,797.75/30,092,978.57
  6. Step 6: Final answer
    x = 17,480,825.85

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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.