Home / 15,673,938.75-21,628,077.10-8,703,668.63

Finding the Fourth Proportional to 15,673,938.75, 21,628,077.10 and 8,703,668.63

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Solution

The fourth proportional to 15,673,938.75, 21,628,077.10 and 8,703,668.63 is: 12,009,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,938.75 : 21,628,077.10 = 8,703,668.63 : x
  2. Step 2: Convert to fraction form
    15,673,938.75/21,628,077.10 = 8,703,668.63/x
  3. Step 3: Cross multiply
    15,673,938.75x = 21,628,077.10 × 8,703,668.63
  4. Step 4: Simplify right side
    15,673,938.75x = 188,243,616,214,802.41
  5. Step 5: Solve for x
    x = 188,243,616,214,802.41/15,673,938.75
  6. Step 6: Final answer
    x = 12,009,975.23

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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.