Home / 13,194,721.08-18,208,274.58-7,314,108.12

Finding the Fourth Proportional to 13,194,721.08, 18,208,274.58 and 7,314,108.12

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Solution

The fourth proportional to 13,194,721.08, 18,208,274.58 and 7,314,108.12 is: 10,093,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,721.08 : 18,208,274.58 = 7,314,108.12 : x
  2. Step 2: Convert to fraction form
    13,194,721.08/18,208,274.58 = 7,314,108.12/x
  3. Step 3: Cross multiply
    13,194,721.08x = 18,208,274.58 × 7,314,108.12
  4. Step 4: Simplify right side
    13,194,721.08x = 133,177,288,956,767.58
  5. Step 5: Solve for x
    x = 133,177,288,956,767.58/13,194,721.08
  6. Step 6: Final answer
    x = 10,093,225.02

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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.