Home / 20,226,741.40-30,340,112.10-8,102,013.40

Finding the Fourth Proportional to 20,226,741.40, 30,340,112.10 and 8,102,013.40

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Solution

The fourth proportional to 20,226,741.40, 30,340,112.10 and 8,102,013.40 is: 12,153,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,741.40 : 30,340,112.10 = 8,102,013.40 : x
  2. Step 2: Convert to fraction form
    20,226,741.40/30,340,112.10 = 8,102,013.40/x
  3. Step 3: Cross multiply
    20,226,741.40x = 30,340,112.10 × 8,102,013.40
  4. Step 4: Simplify right side
    20,226,741.40x = 245,815,994,791,702.16
  5. Step 5: Solve for x
    x = 245,815,994,791,702.16/20,226,741.40
  6. Step 6: Final answer
    x = 12,153,020.10

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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.