Home / 28,934,175.03-39,929,021.29-15,881,656.02

Finding the Fourth Proportional to 28,934,175.03, 39,929,021.29 and 15,881,656.02

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Solution

The fourth proportional to 28,934,175.03, 39,929,021.29 and 15,881,656.02 is: 21,916,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934,175.03 : 39,929,021.29 = 15,881,656.02 : x
  2. Step 2: Convert to fraction form
    28,934,175.03/39,929,021.29 = 15,881,656.02/x
  3. Step 3: Cross multiply
    28,934,175.03x = 39,929,021.29 × 15,881,656.02
  4. Step 4: Simplify right side
    28,934,175.03x = 634,138,981,343,036.62
  5. Step 5: Solve for x
    x = 634,138,981,343,036.62/28,934,175.03
  6. Step 6: Final answer
    x = 21,916,608.33

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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.