Home / 14,490,631.33-19,997,114.91-7,964,929.51

Finding the Fourth Proportional to 14,490,631.33, 19,997,114.91 and 7,964,929.51

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Solution

The fourth proportional to 14,490,631.33, 19,997,114.91 and 7,964,929.51 is: 10,991,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490,631.33 : 19,997,114.91 = 7,964,929.51 : x
  2. Step 2: Convert to fraction form
    14,490,631.33/19,997,114.91 = 7,964,929.51/x
  3. Step 3: Cross multiply
    14,490,631.33x = 19,997,114.91 × 7,964,929.51
  4. Step 4: Simplify right side
    14,490,631.33x = 159,275,610,661,520
  5. Step 5: Solve for x
    x = 159,275,610,661,520/14,490,631.33
  6. Step 6: Final answer
    x = 10,991,626.73

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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.