Home / 14,003,205.70-21,004,808.55-8,014,648.90

Finding the Fourth Proportional to 14,003,205.70, 21,004,808.55 and 8,014,648.90

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Solution

The fourth proportional to 14,003,205.70, 21,004,808.55 and 8,014,648.90 is: 12,021,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,205.70 : 21,004,808.55 = 8,014,648.90 : x
  2. Step 2: Convert to fraction form
    14,003,205.70/21,004,808.55 = 8,014,648.90/x
  3. Step 3: Cross multiply
    14,003,205.70x = 21,004,808.55 × 8,014,648.90
  4. Step 4: Simplify right side
    14,003,205.70x = 168,346,165,739,968.09
  5. Step 5: Solve for x
    x = 168,346,165,739,968.09/14,003,205.70
  6. Step 6: Final answer
    x = 12,021,973.35

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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.