Home / 20,804,579.40-31,206,869.10-14,422,038.60

Finding the Fourth Proportional to 20,804,579.40, 31,206,869.10 and 14,422,038.60

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Solution

The fourth proportional to 20,804,579.40, 31,206,869.10 and 14,422,038.60 is: 21,633,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,579.40 : 31,206,869.10 = 14,422,038.60 : x
  2. Step 2: Convert to fraction form
    20,804,579.40/31,206,869.10 = 14,422,038.60/x
  3. Step 3: Cross multiply
    20,804,579.40x = 31,206,869.10 × 14,422,038.60
  4. Step 4: Simplify right side
    20,804,579.40x = 450,066,670,745,347.25
  5. Step 5: Solve for x
    x = 450,066,670,745,347.25/20,804,579.40
  6. Step 6: Final answer
    x = 21,633,057.90

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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.