Home / 14,008,991.40-21,013,487.10-3,911,596.20

Finding the Fourth Proportional to 14,008,991.40, 21,013,487.10 and 3,911,596.20

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Solution

The fourth proportional to 14,008,991.40, 21,013,487.10 and 3,911,596.20 is: 5,867,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,991.40 : 21,013,487.10 = 3,911,596.20 : x
  2. Step 2: Convert to fraction form
    14,008,991.40/21,013,487.10 = 3,911,596.20/x
  3. Step 3: Cross multiply
    14,008,991.40x = 21,013,487.10 × 3,911,596.20
  4. Step 4: Simplify right side
    14,008,991.40x = 82,196,276,289,109.03
  5. Step 5: Solve for x
    x = 82,196,276,289,109.03/14,008,991.40
  6. Step 6: Final answer
    x = 5,867,394.30

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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.