Home / 20,777,608.40-31,166,412.60-12,262,024.40

Finding the Fourth Proportional to 20,777,608.40, 31,166,412.60 and 12,262,024.40

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Solution

The fourth proportional to 20,777,608.40, 31,166,412.60 and 12,262,024.40 is: 18,393,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,608.40 : 31,166,412.60 = 12,262,024.40 : x
  2. Step 2: Convert to fraction form
    20,777,608.40/31,166,412.60 = 12,262,024.40/x
  3. Step 3: Cross multiply
    20,777,608.40x = 31,166,412.60 × 12,262,024.40
  4. Step 4: Simplify right side
    20,777,608.40x = 382,163,311,761,667.50
  5. Step 5: Solve for x
    x = 382,163,311,761,667.50/20,777,608.40
  6. Step 6: Final answer
    x = 18,393,036.60

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1.5x scale

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.