Home / 38,739,469.50-53,462,885.75-21,335,810.10

Finding the Fourth Proportional to 38,739,469.50, 53,462,885.75 and 21,335,810.10

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Solution

The fourth proportional to 38,739,469.50, 53,462,885.75 and 21,335,810.10 is: 29,444,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,469.50 : 53,462,885.75 = 21,335,810.10 : x
  2. Step 2: Convert to fraction form
    38,739,469.50/53,462,885.75 = 21,335,810.10/x
  3. Step 3: Cross multiply
    38,739,469.50x = 53,462,885.75 × 21,335,810.10
  4. Step 4: Simplify right side
    38,739,469.50x = 1,140,673,977,759,996.25
  5. Step 5: Solve for x
    x = 1,140,673,977,759,996.25/38,739,469.50
  6. Step 6: Final answer
    x = 29,444,749.57

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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.