Home / 21,999,267.94-30,358,533.09-12,209,143.54

Finding the Fourth Proportional to 21,999,267.94, 30,358,533.09 and 12,209,143.54

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Solution

The fourth proportional to 21,999,267.94, 30,358,533.09 and 12,209,143.54 is: 16,848,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,267.94 : 30,358,533.09 = 12,209,143.54 : x
  2. Step 2: Convert to fraction form
    21,999,267.94/30,358,533.09 = 12,209,143.54/x
  3. Step 3: Cross multiply
    21,999,267.94x = 30,358,533.09 × 12,209,143.54
  4. Step 4: Simplify right side
    21,999,267.94x = 370,651,688,159,649.69
  5. Step 5: Solve for x
    x = 370,651,688,159,649.69/21,999,267.94
  6. Step 6: Final answer
    x = 16,848,364.64

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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.