Home / 12,264,638.85-18,405,451.58-4,877,928.81

Finding the Fourth Proportional to 12,264,638.85, 18,405,451.58 and 4,877,928.81

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Solution

The fourth proportional to 12,264,638.85, 18,405,451.58 and 4,877,928.81 is: 7,320,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,638.85 : 18,405,451.58 = 4,877,928.81 : x
  2. Step 2: Convert to fraction form
    12,264,638.85/18,405,451.58 = 4,877,928.81/x
  3. Step 3: Cross multiply
    12,264,638.85x = 18,405,451.58 × 4,877,928.81
  4. Step 4: Simplify right side
    12,264,638.85x = 89,780,482,498,752.36
  5. Step 5: Solve for x
    x = 89,780,482,498,752.36/12,264,638.85
  6. Step 6: Final answer
    x = 7,320,271.20

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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.