Home / 28,136,484.51-42,182,678.70-11,109,902.19

Finding the Fourth Proportional to 28,136,484.51, 42,182,678.70 and 11,109,902.19

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Solution

The fourth proportional to 28,136,484.51, 42,182,678.70 and 11,109,902.19 is: 16,656,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,484.51 : 42,182,678.70 = 11,109,902.19 : x
  2. Step 2: Convert to fraction form
    28,136,484.51/42,182,678.70 = 11,109,902.19/x
  3. Step 3: Cross multiply
    28,136,484.51x = 42,182,678.70 × 11,109,902.19
  4. Step 4: Simplify right side
    28,136,484.51x = 468,645,434,469,196.38
  5. Step 5: Solve for x
    x = 468,645,434,469,196.38/28,136,484.51
  6. Step 6: Final answer
    x = 16,656,147.44

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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.