Home / 12,352,709.40-18,536,343.30-5,163,689.40

Finding the Fourth Proportional to 12,352,709.40, 18,536,343.30 and 5,163,689.40

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Solution

The fourth proportional to 12,352,709.40, 18,536,343.30 and 5,163,689.40 is: 7,748,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352,709.40 : 18,536,343.30 = 5,163,689.40 : x
  2. Step 2: Convert to fraction form
    12,352,709.40/18,536,343.30 = 5,163,689.40/x
  3. Step 3: Cross multiply
    12,352,709.40x = 18,536,343.30 × 5,163,689.40
  4. Step 4: Simplify right side
    12,352,709.40x = 95,715,919,412,971.03
  5. Step 5: Solve for x
    x = 95,715,919,412,971.03/12,352,709.40
  6. Step 6: Final answer
    x = 7,748,576.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.