Home / 7,113,492-9,816,619.44-3,894,228

Finding the Fourth Proportional to 7,113,492, 9,816,619.44 and 3,894,228

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Solution

The fourth proportional to 7,113,492, 9,816,619.44 and 3,894,228 is: 5,374,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,492 : 9,816,619.44 = 3,894,228 : x
  2. Step 2: Convert to fraction form
    7,113,492/9,816,619.44 = 3,894,228/x
  3. Step 3: Cross multiply
    7,113,492x = 9,816,619.44 × 3,894,228
  4. Step 4: Simplify right side
    7,113,492x = 38,228,154,288,592.32
  5. Step 5: Solve for x
    x = 38,228,154,288,592.32/7,113,492
  6. Step 6: Final answer
    x = 5,374,034.90

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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.