Home / 8,020,173.20-12,032,009.40-2,339,934.80

Finding the Fourth Proportional to 8,020,173.20, 12,032,009.40 and 2,339,934.80

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Solution

The fourth proportional to 8,020,173.20, 12,032,009.40 and 2,339,934.80 is: 3,510,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,173.20 : 12,032,009.40 = 2,339,934.80 : x
  2. Step 2: Convert to fraction form
    8,020,173.20/12,032,009.40 = 2,339,934.80/x
  3. Step 3: Cross multiply
    8,020,173.20x = 12,032,009.40 × 2,339,934.80
  4. Step 4: Simplify right side
    8,020,173.20x = 28,154,117,508,987.12
  5. Step 5: Solve for x
    x = 28,154,117,508,987.12/8,020,173.20
  6. Step 6: Final answer
    x = 3,510,412.66

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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.