Home / 21,368,009.40-32,052,014.10-13,405,385.40

Finding the Fourth Proportional to 21,368,009.40, 32,052,014.10 and 13,405,385.40

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Solution

The fourth proportional to 21,368,009.40, 32,052,014.10 and 13,405,385.40 is: 20,108,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368,009.40 : 32,052,014.10 = 13,405,385.40 : x
  2. Step 2: Convert to fraction form
    21,368,009.40/32,052,014.10 = 13,405,385.40/x
  3. Step 3: Cross multiply
    21,368,009.40x = 32,052,014.10 × 13,405,385.40
  4. Step 4: Simplify right side
    21,368,009.40x = 429,669,601,856,734.19
  5. Step 5: Solve for x
    x = 429,669,601,856,734.19/21,368,009.40
  6. Step 6: Final answer
    x = 20,108,078.10

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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.