Home / 21,945,125.54-30,283,953.36-12,155,537.64

Finding the Fourth Proportional to 21,945,125.54, 30,283,953.36 and 12,155,537.64

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Solution

The fourth proportional to 21,945,125.54, 30,283,953.36 and 12,155,537.64 is: 16,774,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945,125.54 : 30,283,953.36 = 12,155,537.64 : x
  2. Step 2: Convert to fraction form
    21,945,125.54/30,283,953.36 = 12,155,537.64/x
  3. Step 3: Cross multiply
    21,945,125.54x = 30,283,953.36 × 12,155,537.64
  4. Step 4: Simplify right side
    21,945,125.54x = 368,117,734,955,484.50
  5. Step 5: Solve for x
    x = 368,117,734,955,484.50/21,945,125.54
  6. Step 6: Final answer
    x = 16,774,464.76

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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.