Home / 8,383,280.60-12,590,127.30-7,338,186.20

Finding the Fourth Proportional to 8,383,280.60, 12,590,127.30 and 7,338,186.20

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Solution

The fourth proportional to 8,383,280.60, 12,590,127.30 and 7,338,186.20 is: 11,020,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,280.60 : 12,590,127.30 = 7,338,186.20 : x
  2. Step 2: Convert to fraction form
    8,383,280.60/12,590,127.30 = 7,338,186.20/x
  3. Step 3: Cross multiply
    8,383,280.60x = 12,590,127.30 × 7,338,186.20
  4. Step 4: Simplify right side
    8,383,280.60x = 92,388,698,409,103.27
  5. Step 5: Solve for x
    x = 92,388,698,409,103.27/8,383,280.60
  6. Step 6: Final answer
    x = 11,020,590.01

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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.