Home / 8,430,050.42-12,653,005.62-7,969,315.89

Finding the Fourth Proportional to 8,430,050.42, 12,653,005.62 and 7,969,315.89

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Solution

The fourth proportional to 8,430,050.42, 12,653,005.62 and 7,969,315.89 is: 11,961,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,050.42 : 12,653,005.62 = 7,969,315.89 : x
  2. Step 2: Convert to fraction form
    8,430,050.42/12,653,005.62 = 7,969,315.89/x
  3. Step 3: Cross multiply
    8,430,050.42x = 12,653,005.62 × 7,969,315.89
  4. Step 4: Simplify right side
    8,430,050.42x = 100,835,798,743,725.30
  5. Step 5: Solve for x
    x = 100,835,798,743,725.30/8,430,050.42
  6. Step 6: Final answer
    x = 11,961,470.43

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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.