Home / 27,639,466.88-38,142,357.08-15,250,331.48

Finding the Fourth Proportional to 27,639,466.88, 38,142,357.08 and 15,250,331.48

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Solution

The fourth proportional to 27,639,466.88, 38,142,357.08 and 15,250,331.48 is: 21,045,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639,466.88 : 38,142,357.08 = 15,250,331.48 : x
  2. Step 2: Convert to fraction form
    27,639,466.88/38,142,357.08 = 15,250,331.48/x
  3. Step 3: Cross multiply
    27,639,466.88x = 38,142,357.08 × 15,250,331.48
  4. Step 4: Simplify right side
    27,639,466.88x = 581,683,588,631,561.50
  5. Step 5: Solve for x
    x = 581,683,588,631,561.50/27,639,466.88
  6. Step 6: Final answer
    x = 21,045,398.28

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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.