Home / 5,555,746.74-8,375,261.54-5,185,398.78

Finding the Fourth Proportional to 5,555,746.74, 8,375,261.54 and 5,185,398.78

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Solution

The fourth proportional to 5,555,746.74, 8,375,261.54 and 5,185,398.78 is: 7,816,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,746.74 : 8,375,261.54 = 5,185,398.78 : x
  2. Step 2: Convert to fraction form
    5,555,746.74/8,375,261.54 = 5,185,398.78/x
  3. Step 3: Cross multiply
    5,555,746.74x = 8,375,261.54 × 5,185,398.78
  4. Step 4: Simplify right side
    5,555,746.74x = 43,429,070,971,696.92
  5. Step 5: Solve for x
    x = 43,429,070,971,696.92/5,555,746.74
  6. Step 6: Final answer
    x = 7,816,963.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.