Home / 28,344,907.96-39,117,211.70-15,955,800.82

Finding the Fourth Proportional to 28,344,907.96, 39,117,211.70 and 15,955,800.82

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Solution

The fourth proportional to 28,344,907.96, 39,117,211.70 and 15,955,800.82 is: 22,019,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344,907.96 : 39,117,211.70 = 15,955,800.82 : x
  2. Step 2: Convert to fraction form
    28,344,907.96/39,117,211.70 = 15,955,800.82/x
  3. Step 3: Cross multiply
    28,344,907.96x = 39,117,211.70 × 15,955,800.82
  4. Step 4: Simplify right side
    28,344,907.96x = 624,146,438,518,973.62
  5. Step 5: Solve for x
    x = 624,146,438,518,973.62/28,344,907.96
  6. Step 6: Final answer
    x = 22,019,702.42

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1.5x scale

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.