Home / 15,438,212.66-23,128,089.32-10,305,164.90

Finding the Fourth Proportional to 15,438,212.66, 23,128,089.32 and 10,305,164.90

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Solution

The fourth proportional to 15,438,212.66, 23,128,089.32 and 10,305,164.90 is: 15,438,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,212.66 : 23,128,089.32 = 10,305,164.90 : x
  2. Step 2: Convert to fraction form
    15,438,212.66/23,128,089.32 = 10,305,164.90/x
  3. Step 3: Cross multiply
    15,438,212.66x = 23,128,089.32 × 10,305,164.90
  4. Step 4: Simplify right side
    15,438,212.66x = 238,338,774,264,528.88
  5. Step 5: Solve for x
    x = 238,338,774,264,528.88/15,438,212.66
  6. Step 6: Final answer
    x = 15,438,236.25

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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.