Home / 38,588,531.86-53,252,797.90-21,186,481.30

Finding the Fourth Proportional to 38,588,531.86, 53,252,797.90 and 21,186,481.30

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Solution

The fourth proportional to 38,588,531.86, 53,252,797.90 and 21,186,481.30 is: 29,237,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588,531.86 : 53,252,797.90 = 21,186,481.30 : x
  2. Step 2: Convert to fraction form
    38,588,531.86/53,252,797.90 = 21,186,481.30/x
  3. Step 3: Cross multiply
    38,588,531.86x = 53,252,797.90 × 21,186,481.30
  4. Step 4: Simplify right side
    38,588,531.86x = 1,128,239,406,881,029.25
  5. Step 5: Solve for x
    x = 1,128,239,406,881,029.25/38,588,531.86
  6. Step 6: Final answer
    x = 29,237,686.76

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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.