Home / 28,975,667.56-39,977,701.47-17,368,996.12

Finding the Fourth Proportional to 28,975,667.56, 39,977,701.47 and 17,368,996.12

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Solution

The fourth proportional to 28,975,667.56, 39,977,701.47 and 17,368,996.12 is: 23,963,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,667.56 : 39,977,701.47 = 17,368,996.12 : x
  2. Step 2: Convert to fraction form
    28,975,667.56/39,977,701.47 = 17,368,996.12/x
  3. Step 3: Cross multiply
    28,975,667.56x = 39,977,701.47 × 17,368,996.12
  4. Step 4: Simplify right side
    28,975,667.56x = 694,372,541,619,004
  5. Step 5: Solve for x
    x = 694,372,541,619,004/28,975,667.56
  6. Step 6: Final answer
    x = 23,963,987.72

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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.