Home / 13,784,345.88-20,678,764.82-4,069,940.87

Finding the Fourth Proportional to 13,784,345.88, 20,678,764.82 and 4,069,940.87

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Solution

The fourth proportional to 13,784,345.88, 20,678,764.82 and 4,069,940.87 is: 6,105,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,345.88 : 20,678,764.82 = 4,069,940.87 : x
  2. Step 2: Convert to fraction form
    13,784,345.88/20,678,764.82 = 4,069,940.87/x
  3. Step 3: Cross multiply
    13,784,345.88x = 20,678,764.82 × 4,069,940.87
  4. Step 4: Simplify right side
    13,784,345.88x = 84,161,349,958,292.67
  5. Step 5: Solve for x
    x = 84,161,349,958,292.67/13,784,345.88
  6. Step 6: Final answer
    x = 6,105,574.45

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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.