Home / 8,020,157.86-12,030,036.99-2,340,431.38

Finding the Fourth Proportional to 8,020,157.86, 12,030,036.99 and 2,340,431.38

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Solution

The fourth proportional to 8,020,157.86, 12,030,036.99 and 2,340,431.38 is: 3,510,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,157.86 : 12,030,036.99 = 2,340,431.38 : x
  2. Step 2: Convert to fraction form
    8,020,157.86/12,030,036.99 = 2,340,431.38/x
  3. Step 3: Cross multiply
    8,020,157.86x = 12,030,036.99 × 2,340,431.38
  4. Step 4: Simplify right side
    8,020,157.86x = 28,155,476,073,956.75
  5. Step 5: Solve for x
    x = 28,155,476,073,956.75/8,020,157.86
  6. Step 6: Final answer
    x = 3,510,588.76

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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.