Home / 10,419,502.77-15,643,570.23-5,305,368.51

Finding the Fourth Proportional to 10,419,502.77, 15,643,570.23 and 5,305,368.51

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Solution

The fourth proportional to 10,419,502.77, 15,643,570.23 and 5,305,368.51 is: 7,965,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,502.77 : 15,643,570.23 = 5,305,368.51 : x
  2. Step 2: Convert to fraction form
    10,419,502.77/15,643,570.23 = 5,305,368.51/x
  3. Step 3: Cross multiply
    10,419,502.77x = 15,643,570.23 × 5,305,368.51
  4. Step 4: Simplify right side
    10,419,502.77x = 82,994,904,882,215.45
  5. Step 5: Solve for x
    x = 82,994,904,882,215.45/10,419,502.77
  6. Step 6: Final answer
    x = 7,965,342.18

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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.