Home / 20,574,930.60-30,830,903.10-19,441,189.80

Finding the Fourth Proportional to 20,574,930.60, 30,830,903.10 and 19,441,189.80

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Solution

The fourth proportional to 20,574,930.60, 30,830,903.10 and 19,441,189.80 is: 29,132,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574,930.60 : 30,830,903.10 = 19,441,189.80 : x
  2. Step 2: Convert to fraction form
    20,574,930.60/30,830,903.10 = 19,441,189.80/x
  3. Step 3: Cross multiply
    20,574,930.60x = 30,830,903.10 × 19,441,189.80
  4. Step 4: Simplify right side
    20,574,930.60x = 599,389,438,872,508.38
  5. Step 5: Solve for x
    x = 599,389,438,872,508.38/20,574,930.60
  6. Step 6: Final answer
    x = 29,132,027.25

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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.