Home / 11,879,358.51-16,391,145.39-7,230,029.40

Finding the Fourth Proportional to 11,879,358.51, 16,391,145.39 and 7,230,029.40

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Solution

The fourth proportional to 11,879,358.51, 16,391,145.39 and 7,230,029.40 is: 9,975,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879,358.51 : 16,391,145.39 = 7,230,029.40 : x
  2. Step 2: Convert to fraction form
    11,879,358.51/16,391,145.39 = 7,230,029.40/x
  3. Step 3: Cross multiply
    11,879,358.51x = 16,391,145.39 × 7,230,029.40
  4. Step 4: Simplify right side
    11,879,358.51x = 118,508,463,069,374.47
  5. Step 5: Solve for x
    x = 118,508,463,069,374.47/11,879,358.51
  6. Step 6: Final answer
    x = 9,975,998.53

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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.