Home / 38,212,482.92-57,308,084.38-12,655,485.16

Finding the Fourth Proportional to 38,212,482.92, 57,308,084.38 and 12,655,485.16

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Solution

The fourth proportional to 38,212,482.92, 57,308,084.38 and 12,655,485.16 is: 18,979,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212,482.92 : 57,308,084.38 = 12,655,485.16 : x
  2. Step 2: Convert to fraction form
    38,212,482.92/57,308,084.38 = 12,655,485.16/x
  3. Step 3: Cross multiply
    38,212,482.92x = 57,308,084.38 × 12,655,485.16
  4. Step 4: Simplify right side
    38,212,482.92x = 725,261,611,419,117.88
  5. Step 5: Solve for x
    x = 725,261,611,419,117.88/38,212,482.92
  6. Step 6: Final answer
    x = 18,979,703.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.