Home / 14,270,513.76-19,693,747.10-8,389,069.33

Finding the Fourth Proportional to 14,270,513.76, 19,693,747.10 and 8,389,069.33

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Solution

The fourth proportional to 14,270,513.76, 19,693,747.10 and 8,389,069.33 is: 11,577,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,513.76 : 19,693,747.10 = 8,389,069.33 : x
  2. Step 2: Convert to fraction form
    14,270,513.76/19,693,747.10 = 8,389,069.33/x
  3. Step 3: Cross multiply
    14,270,513.76x = 19,693,747.10 × 8,389,069.33
  4. Step 4: Simplify right side
    14,270,513.76x = 165,212,209,789,386.47
  5. Step 5: Solve for x
    x = 165,212,209,789,386.47/14,270,513.76
  6. Step 6: Final answer
    x = 11,577,173.22

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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.