Home / 20,804,578.40-31,206,867.60-14,422,037.60

Finding the Fourth Proportional to 20,804,578.40, 31,206,867.60 and 14,422,037.60

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Solution

The fourth proportional to 20,804,578.40, 31,206,867.60 and 14,422,037.60 is: 21,633,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,578.40 : 31,206,867.60 = 14,422,037.60 : x
  2. Step 2: Convert to fraction form
    20,804,578.40/31,206,867.60 = 14,422,037.60/x
  3. Step 3: Cross multiply
    20,804,578.40x = 31,206,867.60 × 14,422,037.60
  4. Step 4: Simplify right side
    20,804,578.40x = 450,066,617,905,421.75
  5. Step 5: Solve for x
    x = 450,066,617,905,421.75/20,804,578.40
  6. Step 6: Final answer
    x = 21,633,056.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.