Home / 14,905,447.31-20,569,603.61-8,379,019.65

Finding the Fourth Proportional to 14,905,447.31, 20,569,603.61 and 8,379,019.65

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Solution

The fourth proportional to 14,905,447.31, 20,569,603.61 and 8,379,019.65 is: 11,563,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905,447.31 : 20,569,603.61 = 8,379,019.65 : x
  2. Step 2: Convert to fraction form
    14,905,447.31/20,569,603.61 = 8,379,019.65/x
  3. Step 3: Cross multiply
    14,905,447.31x = 20,569,603.61 × 8,379,019.65
  4. Step 4: Simplify right side
    14,905,447.31x = 172,353,112,799,005.84
  5. Step 5: Solve for x
    x = 172,353,112,799,005.84/14,905,447.31
  6. Step 6: Final answer
    x = 11,563,095.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.