Home / 20,218,980.60-30,328,470.90-16,628,801.40

Finding the Fourth Proportional to 20,218,980.60, 30,328,470.90 and 16,628,801.40

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Solution

The fourth proportional to 20,218,980.60, 30,328,470.90 and 16,628,801.40 is: 24,943,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,980.60 : 30,328,470.90 = 16,628,801.40 : x
  2. Step 2: Convert to fraction form
    20,218,980.60/30,328,470.90 = 16,628,801.40/x
  3. Step 3: Cross multiply
    20,218,980.60x = 30,328,470.90 × 16,628,801.40
  4. Step 4: Simplify right side
    20,218,980.60x = 504,326,119,361,779.25
  5. Step 5: Solve for x
    x = 504,326,119,361,779.25/20,218,980.60
  6. Step 6: Final answer
    x = 24,943,202.10

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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.