Home / 28,192,737.42-38,904,019.74-15,634,439.89

Finding the Fourth Proportional to 28,192,737.42, 38,904,019.74 and 15,634,439.89

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Solution

The fourth proportional to 28,192,737.42, 38,904,019.74 and 15,634,439.89 is: 21,574,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,737.42 : 38,904,019.74 = 15,634,439.89 : x
  2. Step 2: Convert to fraction form
    28,192,737.42/38,904,019.74 = 15,634,439.89/x
  3. Step 3: Cross multiply
    28,192,737.42x = 38,904,019.74 × 15,634,439.89
  4. Step 4: Simplify right side
    28,192,737.42x = 608,242,557,978,162.38
  5. Step 5: Solve for x
    x = 608,242,557,978,162.38/28,192,737.42
  6. Step 6: Final answer
    x = 21,574,441.28

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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.