Home / 14,428,998-19,912,643.16-7,990,470

Finding the Fourth Proportional to 14,428,998, 19,912,643.16 and 7,990,470

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Solution

The fourth proportional to 14,428,998, 19,912,643.16 and 7,990,470 is: 11,027,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428,998 : 19,912,643.16 = 7,990,470 : x
  2. Step 2: Convert to fraction form
    14,428,998/19,912,643.16 = 7,990,470/x
  3. Step 3: Cross multiply
    14,428,998x = 19,912,643.16 × 7,990,470
  4. Step 4: Simplify right side
    14,428,998x = 159,111,377,790,685.19
  5. Step 5: Solve for x
    x = 159,111,377,790,685.19/14,428,998
  6. Step 6: Final answer
    x = 11,027,195.22

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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.