Home / 6,926,421.20-10,389,631.80-3,147,285.20

Finding the Fourth Proportional to 6,926,421.20, 10,389,631.80 and 3,147,285.20

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Solution

The fourth proportional to 6,926,421.20, 10,389,631.80 and 3,147,285.20 is: 4,720,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926,421.20 : 10,389,631.80 = 3,147,285.20 : x
  2. Step 2: Convert to fraction form
    6,926,421.20/10,389,631.80 = 3,147,285.20/x
  3. Step 3: Cross multiply
    6,926,421.20x = 10,389,631.80 × 3,147,285.20
  4. Step 4: Simplify right side
    6,926,421.20x = 32,699,134,397,589.36
  5. Step 5: Solve for x
    x = 32,699,134,397,589.36/6,926,421.20
  6. Step 6: Final answer
    x = 4,720,927.80

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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.