Home / 11,376,421.70-17,064,632.55-8,353,112.90

Finding the Fourth Proportional to 11,376,421.70, 17,064,632.55 and 8,353,112.90

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Solution

The fourth proportional to 11,376,421.70, 17,064,632.55 and 8,353,112.90 is: 12,529,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376,421.70 : 17,064,632.55 = 8,353,112.90 : x
  2. Step 2: Convert to fraction form
    11,376,421.70/17,064,632.55 = 8,353,112.90/x
  3. Step 3: Cross multiply
    11,376,421.70x = 17,064,632.55 × 8,353,112.90
  4. Step 4: Simplify right side
    11,376,421.70x = 142,542,802,287,164.91
  5. Step 5: Solve for x
    x = 142,542,802,287,164.91/11,376,421.70
  6. Step 6: Final answer
    x = 12,529,669.35

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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.