Home / 28,679,145.96-39,577,227.06-15,626,404.84

Finding the Fourth Proportional to 28,679,145.96, 39,577,227.06 and 15,626,404.84

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Solution

The fourth proportional to 28,679,145.96, 39,577,227.06 and 15,626,404.84 is: 21,564,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,145.96 : 39,577,227.06 = 15,626,404.84 : x
  2. Step 2: Convert to fraction form
    28,679,145.96/39,577,227.06 = 15,626,404.84/x
  3. Step 3: Cross multiply
    28,679,145.96x = 39,577,227.06 × 15,626,404.84
  4. Step 4: Simplify right side
    28,679,145.96x = 618,449,772,208,144.88
  5. Step 5: Solve for x
    x = 618,449,772,208,144.88/28,679,145.96
  6. Step 6: Final answer
    x = 21,564,441.74

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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.