Home / 12,612,598.53-17,405,385.30-6,811,379.71

Finding the Fourth Proportional to 12,612,598.53, 17,405,385.30 and 6,811,379.71

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Solution

The fourth proportional to 12,612,598.53, 17,405,385.30 and 6,811,379.71 is: 9,399,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,598.53 : 17,405,385.30 = 6,811,379.71 : x
  2. Step 2: Convert to fraction form
    12,612,598.53/17,405,385.30 = 6,811,379.71/x
  3. Step 3: Cross multiply
    12,612,598.53x = 17,405,385.30 × 6,811,379.71
  4. Step 4: Simplify right side
    12,612,598.53x = 118,554,688,233,638.80
  5. Step 5: Solve for x
    x = 118,554,688,233,638.80/12,612,598.53
  6. Step 6: Final answer
    x = 9,399,703.64

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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.