Home / 28,893,370.35-39,871,793.01-15,840,342.84

Finding the Fourth Proportional to 28,893,370.35, 39,871,793.01 and 15,840,342.84

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Solution

The fourth proportional to 28,893,370.35, 39,871,793.01 and 15,840,342.84 is: 21,859,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893,370.35 : 39,871,793.01 = 15,840,342.84 : x
  2. Step 2: Convert to fraction form
    28,893,370.35/39,871,793.01 = 15,840,342.84/x
  3. Step 3: Cross multiply
    28,893,370.35x = 39,871,793.01 × 15,840,342.84
  4. Step 4: Simplify right side
    28,893,370.35x = 631,582,870,923,915.50
  5. Step 5: Solve for x
    x = 631,582,870,923,915.50/28,893,370.35
  6. Step 6: Final answer
    x = 21,859,093.05

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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.