Home / 28,541,745.80-42,725,138.70-15,723,009.80

Finding the Fourth Proportional to 28,541,745.80, 42,725,138.70 and 15,723,009.80

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Solution

The fourth proportional to 28,541,745.80, 42,725,138.70 and 15,723,009.80 is: 23,536,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,745.80 : 42,725,138.70 = 15,723,009.80 : x
  2. Step 2: Convert to fraction form
    28,541,745.80/42,725,138.70 = 15,723,009.80/x
  3. Step 3: Cross multiply
    28,541,745.80x = 42,725,138.70 × 15,723,009.80
  4. Step 4: Simplify right side
    28,541,745.80x = 671,767,774,486,459.38
  5. Step 5: Solve for x
    x = 671,767,774,486,459.38/28,541,745.80
  6. Step 6: Final answer
    x = 23,536,323.92

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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.