Home / 13,609,631.10-20,414,446.65-6,807,186.30

Finding the Fourth Proportional to 13,609,631.10, 20,414,446.65 and 6,807,186.30

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Solution

The fourth proportional to 13,609,631.10, 20,414,446.65 and 6,807,186.30 is: 10,210,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,631.10 : 20,414,446.65 = 6,807,186.30 : x
  2. Step 2: Convert to fraction form
    13,609,631.10/20,414,446.65 = 6,807,186.30/x
  3. Step 3: Cross multiply
    13,609,631.10x = 20,414,446.65 × 6,807,186.30
  4. Step 4: Simplify right side
    13,609,631.10x = 138,964,941,557,960.88
  5. Step 5: Solve for x
    x = 138,964,941,557,960.88/13,609,631.10
  6. Step 6: Final answer
    x = 10,210,779.45

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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.