Home / 13,168,375.16-18,173,063.68-7,366,810.91

Finding the Fourth Proportional to 13,168,375.16, 18,173,063.68 and 7,366,810.91

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Solution

The fourth proportional to 13,168,375.16, 18,173,063.68 and 7,366,810.91 is: 10,166,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,375.16 : 18,173,063.68 = 7,366,810.91 : x
  2. Step 2: Convert to fraction form
    13,168,375.16/18,173,063.68 = 7,366,810.91/x
  3. Step 3: Cross multiply
    13,168,375.16x = 18,173,063.68 × 7,366,810.91
  4. Step 4: Simplify right side
    13,168,375.16x = 133,877,523,676,666.39
  5. Step 5: Solve for x
    x = 133,877,523,676,666.39/13,168,375.16
  6. Step 6: Final answer
    x = 10,166,593.99

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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.