Home / 20,142,040.60-30,213,060.90-16,953,394.60

Finding the Fourth Proportional to 20,142,040.60, 30,213,060.90 and 16,953,394.60

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Solution

The fourth proportional to 20,142,040.60, 30,213,060.90 and 16,953,394.60 is: 25,430,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,040.60 : 30,213,060.90 = 16,953,394.60 : x
  2. Step 2: Convert to fraction form
    20,142,040.60/30,213,060.90 = 16,953,394.60/x
  3. Step 3: Cross multiply
    20,142,040.60x = 30,213,060.90 × 16,953,394.60
  4. Step 4: Simplify right side
    20,142,040.60x = 512,213,943,511,531.19
  5. Step 5: Solve for x
    x = 512,213,943,511,531.19/20,142,040.60
  6. Step 6: Final answer
    x = 25,430,091.90

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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.