Home / 28,433,374.18-39,238,029.55-15,380,602.98

Finding the Fourth Proportional to 28,433,374.18, 39,238,029.55 and 15,380,602.98

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Solution

The fourth proportional to 28,433,374.18, 39,238,029.55 and 15,380,602.98 is: 21,225,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433,374.18 : 39,238,029.55 = 15,380,602.98 : x
  2. Step 2: Convert to fraction form
    28,433,374.18/39,238,029.55 = 15,380,602.98/x
  3. Step 3: Cross multiply
    28,433,374.18x = 39,238,029.55 × 15,380,602.98
  4. Step 4: Simplify right side
    28,433,374.18x = 603,504,554,226,058
  5. Step 5: Solve for x
    x = 603,504,554,226,058/28,433,374.18
  6. Step 6: Final answer
    x = 21,225,217.61

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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.