Home / 15,914,913.37-21,962,580.43-8,671,569.37

Finding the Fourth Proportional to 15,914,913.37, 21,962,580.43 and 8,671,569.37

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Solution

The fourth proportional to 15,914,913.37, 21,962,580.43 and 8,671,569.37 is: 11,966,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,913.37 : 21,962,580.43 = 8,671,569.37 : x
  2. Step 2: Convert to fraction form
    15,914,913.37/21,962,580.43 = 8,671,569.37/x
  3. Step 3: Cross multiply
    15,914,913.37x = 21,962,580.43 × 8,671,569.37
  4. Step 4: Simplify right side
    15,914,913.37x = 190,450,039,742,949.41
  5. Step 5: Solve for x
    x = 190,450,039,742,949.41/15,914,913.37
  6. Step 6: Final answer
    x = 11,966,765.72

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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.