Home / 28,909,865.92-39,904,548.44-18,596,589

Finding the Fourth Proportional to 28,909,865.92, 39,904,548.44 and 18,596,589

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Solution

The fourth proportional to 28,909,865.92, 39,904,548.44 and 18,596,589 is: 25,669,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,865.92 : 39,904,548.44 = 18,596,589 : x
  2. Step 2: Convert to fraction form
    28,909,865.92/39,904,548.44 = 18,596,589/x
  3. Step 3: Cross multiply
    28,909,865.92x = 39,904,548.44 × 18,596,589
  4. Step 4: Simplify right side
    28,909,865.92x = 742,088,486,569,271.12
  5. Step 5: Solve for x
    x = 742,088,486,569,271.12/28,909,865.92
  6. Step 6: Final answer
    x = 25,669,039.37

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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.