Home / 8,194,638.80-12,303,017.40-5,208,654.80

Finding the Fourth Proportional to 8,194,638.80, 12,303,017.40 and 5,208,654.80

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Solution

The fourth proportional to 8,194,638.80, 12,303,017.40 and 5,208,654.80 is: 7,820,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,638.80 : 12,303,017.40 = 5,208,654.80 : x
  2. Step 2: Convert to fraction form
    8,194,638.80/12,303,017.40 = 5,208,654.80/x
  3. Step 3: Cross multiply
    8,194,638.80x = 12,303,017.40 × 5,208,654.80
  4. Step 4: Simplify right side
    8,194,638.80x = 64,082,170,634,993.52
  5. Step 5: Solve for x
    x = 64,082,170,634,993.52/8,194,638.80
  6. Step 6: Final answer
    x = 7,820,011.62

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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.