Home / 13,508,738.15-18,642,031.87-7,313,783.17

Finding the Fourth Proportional to 13,508,738.15, 18,642,031.87 and 7,313,783.17

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Solution

The fourth proportional to 13,508,738.15, 18,642,031.87 and 7,313,783.17 is: 10,093,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,738.15 : 18,642,031.87 = 7,313,783.17 : x
  2. Step 2: Convert to fraction form
    13,508,738.15/18,642,031.87 = 7,313,783.17/x
  3. Step 3: Cross multiply
    13,508,738.15x = 18,642,031.87 × 7,313,783.17
  4. Step 4: Simplify right side
    13,508,738.15x = 136,343,778,880,520.09
  5. Step 5: Solve for x
    x = 136,343,778,880,520.09/13,508,738.15
  6. Step 6: Final answer
    x = 10,093,006.28

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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.