Home / 38,985,628.86-53,798,423.61-21,580,744.14

Finding the Fourth Proportional to 38,985,628.86, 53,798,423.61 and 21,580,744.14

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Solution

The fourth proportional to 38,985,628.86, 53,798,423.61 and 21,580,744.14 is: 29,780,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985,628.86 : 53,798,423.61 = 21,580,744.14 : x
  2. Step 2: Convert to fraction form
    38,985,628.86/53,798,423.61 = 21,580,744.14/x
  3. Step 3: Cross multiply
    38,985,628.86x = 53,798,423.61 × 21,580,744.14
  4. Step 4: Simplify right side
    38,985,628.86x = 1,161,010,015,062,745.25
  5. Step 5: Solve for x
    x = 1,161,010,015,062,745.25/38,985,628.86
  6. Step 6: Final answer
    x = 29,780,461.39

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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.