Home / 6,911,574.15-9,537,976.43-3,855,788.40

Finding the Fourth Proportional to 6,911,574.15, 9,537,976.43 and 3,855,788.40

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Solution

The fourth proportional to 6,911,574.15, 9,537,976.43 and 3,855,788.40 is: 5,320,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,574.15 : 9,537,976.43 = 3,855,788.40 : x
  2. Step 2: Convert to fraction form
    6,911,574.15/9,537,976.43 = 3,855,788.40/x
  3. Step 3: Cross multiply
    6,911,574.15x = 9,537,976.43 × 3,855,788.40
  4. Step 4: Simplify right side
    6,911,574.15x = 36,776,418,858,988.47
  5. Step 5: Solve for x
    x = 36,776,418,858,988.47/6,911,574.15
  6. Step 6: Final answer
    x = 5,320,990.28

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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.