Home / 20,804,560.40-31,206,840.60-14,422,019.60

Finding the Fourth Proportional to 20,804,560.40, 31,206,840.60 and 14,422,019.60

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Solution

The fourth proportional to 20,804,560.40, 31,206,840.60 and 14,422,019.60 is: 21,633,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,560.40 : 31,206,840.60 = 14,422,019.60 : x
  2. Step 2: Convert to fraction form
    20,804,560.40/31,206,840.60 = 14,422,019.60/x
  3. Step 3: Cross multiply
    20,804,560.40x = 31,206,840.60 × 14,422,019.60
  4. Step 4: Simplify right side
    20,804,560.40x = 450,065,666,787,275.75
  5. Step 5: Solve for x
    x = 450,065,666,787,275.75/20,804,560.40
  6. Step 6: Final answer
    x = 21,633,029.40

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1.5x scale

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.