Home / 8,020,157.20-12,031,985.40-2,339,918.80

Finding the Fourth Proportional to 8,020,157.20, 12,031,985.40 and 2,339,918.80

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Solution

The fourth proportional to 8,020,157.20, 12,031,985.40 and 2,339,918.80 is: 3,510,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,157.20 : 12,031,985.40 = 2,339,918.80 : x
  2. Step 2: Convert to fraction form
    8,020,157.20/12,031,985.40 = 2,339,918.80/x
  3. Step 3: Cross multiply
    8,020,157.20x = 12,031,985.40 × 2,339,918.80
  4. Step 4: Simplify right side
    8,020,157.20x = 28,153,868,838,785.52
  5. Step 5: Solve for x
    x = 28,153,868,838,785.52/8,020,157.20
  6. Step 6: Final answer
    x = 3,510,388.65

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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.