Home / 12,868,807.70-19,303,195.22-3,284,186.42

Finding the Fourth Proportional to 12,868,807.70, 19,303,195.22 and 3,284,186.42

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Solution

The fourth proportional to 12,868,807.70, 19,303,195.22 and 3,284,186.42 is: 4,926,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,807.70 : 19,303,195.22 = 3,284,186.42 : x
  2. Step 2: Convert to fraction form
    12,868,807.70/19,303,195.22 = 3,284,186.42/x
  3. Step 3: Cross multiply
    12,868,807.70x = 19,303,195.22 × 3,284,186.42
  4. Step 4: Simplify right side
    12,868,807.70x = 63,395,291,604,132.91
  5. Step 5: Solve for x
    x = 63,395,291,604,132.91/12,868,807.70
  6. Step 6: Final answer
    x = 4,926,275.46

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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.