Home / 15,276,615.40-21,081,308.86-8,401,097.48

Finding the Fourth Proportional to 15,276,615.40, 21,081,308.86 and 8,401,097.48

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Solution

The fourth proportional to 15,276,615.40, 21,081,308.86 and 8,401,097.48 is: 11,593,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,615.40 : 21,081,308.86 = 8,401,097.48 : x
  2. Step 2: Convert to fraction form
    15,276,615.40/21,081,308.86 = 8,401,097.48/x
  3. Step 3: Cross multiply
    15,276,615.40x = 21,081,308.86 × 8,401,097.48
  4. Step 4: Simplify right side
    15,276,615.40x = 177,106,130,738,847.69
  5. Step 5: Solve for x
    x = 177,106,130,738,847.69/15,276,615.40
  6. Step 6: Final answer
    x = 11,593,283.34

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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.