Home / 7,012,215.40-10,518,323.10-6,728,780.20

Finding the Fourth Proportional to 7,012,215.40, 10,518,323.10 and 6,728,780.20

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Solution

The fourth proportional to 7,012,215.40, 10,518,323.10 and 6,728,780.20 is: 10,093,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012,215.40 : 10,518,323.10 = 6,728,780.20 : x
  2. Step 2: Convert to fraction form
    7,012,215.40/10,518,323.10 = 6,728,780.20/x
  3. Step 3: Cross multiply
    7,012,215.40x = 10,518,323.10 × 6,728,780.20
  4. Step 4: Simplify right side
    7,012,215.40x = 70,775,484,212,482.62
  5. Step 5: Solve for x
    x = 70,775,484,212,482.62/7,012,215.40
  6. Step 6: Final answer
    x = 10,093,170.30

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Double scale
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Similar ratio
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1.5x scale

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.