Home / 28,433,376.18-39,238,032.31-15,380,604.98

Finding the Fourth Proportional to 28,433,376.18, 39,238,032.31 and 15,380,604.98

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Solution

The fourth proportional to 28,433,376.18, 39,238,032.31 and 15,380,604.98 is: 21,225,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433,376.18 : 39,238,032.31 = 15,380,604.98 : x
  2. Step 2: Convert to fraction form
    28,433,376.18/39,238,032.31 = 15,380,604.98/x
  3. Step 3: Cross multiply
    28,433,376.18x = 39,238,032.31 × 15,380,604.98
  4. Step 4: Simplify right side
    28,433,376.18x = 603,504,675,152,587
  5. Step 5: Solve for x
    x = 603,504,675,152,587/28,433,376.18
  6. Step 6: Final answer
    x = 21,225,220.37

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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.