Home / 12,945,389.96-19,421,246.48-4,309,473.71

Finding the Fourth Proportional to 12,945,389.96, 19,421,246.48 and 4,309,473.71

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Solution

The fourth proportional to 12,945,389.96, 19,421,246.48 and 4,309,473.71 is: 6,465,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,389.96 : 19,421,246.48 = 4,309,473.71 : x
  2. Step 2: Convert to fraction form
    12,945,389.96/19,421,246.48 = 4,309,473.71/x
  3. Step 3: Cross multiply
    12,945,389.96x = 19,421,246.48 × 4,309,473.71
  4. Step 4: Simplify right side
    12,945,389.96x = 83,695,351,147,995.80
  5. Step 5: Solve for x
    x = 83,695,351,147,995.80/12,945,389.96
  6. Step 6: Final answer
    x = 6,465,263.03

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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.