Home / 6,642,467.40-9,963,701.10-2,154,743.40

Finding the Fourth Proportional to 6,642,467.40, 9,963,701.10 and 2,154,743.40

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Solution

The fourth proportional to 6,642,467.40, 9,963,701.10 and 2,154,743.40 is: 3,232,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,467.40 : 9,963,701.10 = 2,154,743.40 : x
  2. Step 2: Convert to fraction form
    6,642,467.40/9,963,701.10 = 2,154,743.40/x
  3. Step 3: Cross multiply
    6,642,467.40x = 9,963,701.10 × 2,154,743.40
  4. Step 4: Simplify right side
    6,642,467.40x = 21,469,219,184,797.74
  5. Step 5: Solve for x
    x = 21,469,219,184,797.74/6,642,467.40
  6. Step 6: Final answer
    x = 3,232,115.10

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Double scale
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Similar ratio
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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.