Home / 25,191,728.40-37,731,605.40-19,493,475.60

Finding the Fourth Proportional to 25,191,728.40, 37,731,605.40 and 19,493,475.60

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Solution

The fourth proportional to 25,191,728.40, 37,731,605.40 and 19,493,475.60 is: 29,196,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191,728.40 : 37,731,605.40 = 19,493,475.60 : x
  2. Step 2: Convert to fraction form
    25,191,728.40/37,731,605.40 = 19,493,475.60/x
  3. Step 3: Cross multiply
    25,191,728.40x = 37,731,605.40 × 19,493,475.60
  4. Step 4: Simplify right side
    25,191,728.40x = 735,520,129,213,728.25
  5. Step 5: Solve for x
    x = 735,520,129,213,728.25/25,191,728.40
  6. Step 6: Final answer
    x = 29,196,890.25

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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.