Home / 28,906,001.26-39,892,804.13-15,855,782.45

Finding the Fourth Proportional to 28,906,001.26, 39,892,804.13 and 15,855,782.45

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Solution

The fourth proportional to 28,906,001.26, 39,892,804.13 and 15,855,782.45 is: 21,882,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906,001.26 : 39,892,804.13 = 15,855,782.45 : x
  2. Step 2: Convert to fraction form
    28,906,001.26/39,892,804.13 = 15,855,782.45/x
  3. Step 3: Cross multiply
    28,906,001.26x = 39,892,804.13 × 15,855,782.45
  4. Step 4: Simplify right side
    28,906,001.26x = 632,531,623,605,741.50
  5. Step 5: Solve for x
    x = 632,531,623,605,741.50/28,906,001.26
  6. Step 6: Final answer
    x = 21,882,363.39

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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.