Home / 15,239,239.32-21,030,163.86-8,269,916.86

Finding the Fourth Proportional to 15,239,239.32, 21,030,163.86 and 8,269,916.86

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Solution

The fourth proportional to 15,239,239.32, 21,030,163.86 and 8,269,916.86 is: 11,412,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239,239.32 : 21,030,163.86 = 8,269,916.86 : x
  2. Step 2: Convert to fraction form
    15,239,239.32/21,030,163.86 = 8,269,916.86/x
  3. Step 3: Cross multiply
    15,239,239.32x = 21,030,163.86 × 8,269,916.86
  4. Step 4: Simplify right side
    15,239,239.32x = 173,917,706,674,376.69
  5. Step 5: Solve for x
    x = 173,917,706,674,376.69/15,239,239.32
  6. Step 6: Final answer
    x = 11,412,492.65

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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.