Home / 13,563,165.07-18,717,184.04-7,368,215.88

Finding the Fourth Proportional to 13,563,165.07, 18,717,184.04 and 7,368,215.88

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Solution

The fourth proportional to 13,563,165.07, 18,717,184.04 and 7,368,215.88 is: 10,168,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,165.07 : 18,717,184.04 = 7,368,215.88 : x
  2. Step 2: Convert to fraction form
    13,563,165.07/18,717,184.04 = 7,368,215.88/x
  3. Step 3: Cross multiply
    13,563,165.07x = 18,717,184.04 × 7,368,215.88
  4. Step 4: Simplify right side
    13,563,165.07x = 137,912,252,672,410.55
  5. Step 5: Solve for x
    x = 137,912,252,672,410.55/13,563,165.07
  6. Step 6: Final answer
    x = 10,168,146.74

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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.