Home / 28,637,481.16-39,528,051.63-18,715,856.39

Finding the Fourth Proportional to 28,637,481.16, 39,528,051.63 and 18,715,856.39

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Solution

The fourth proportional to 28,637,481.16, 39,528,051.63 and 18,715,856.39 is: 25,833,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637,481.16 : 39,528,051.63 = 18,715,856.39 : x
  2. Step 2: Convert to fraction form
    28,637,481.16/39,528,051.63 = 18,715,856.39/x
  3. Step 3: Cross multiply
    28,637,481.16x = 39,528,051.63 × 18,715,856.39
  4. Step 4: Simplify right side
    28,637,481.16x = 739,801,337,822,841.75
  5. Step 5: Solve for x
    x = 739,801,337,822,841.75/28,637,481.16
  6. Step 6: Final answer
    x = 25,833,324.29

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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.