Home / 28,192,737.92-38,904,020.44-15,634,440.39

Finding the Fourth Proportional to 28,192,737.92, 38,904,020.44 and 15,634,440.39

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Solution

The fourth proportional to 28,192,737.92, 38,904,020.44 and 15,634,440.39 is: 21,574,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,737.92 : 38,904,020.44 = 15,634,440.39 : x
  2. Step 2: Convert to fraction form
    28,192,737.92/38,904,020.44 = 15,634,440.39/x
  3. Step 3: Cross multiply
    28,192,737.92x = 38,904,020.44 × 15,634,440.39
  4. Step 4: Simplify right side
    28,192,737.92x = 608,242,588,227,829.25
  5. Step 5: Solve for x
    x = 608,242,588,227,829.25/28,192,737.92
  6. Step 6: Final answer
    x = 21,574,441.97

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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.