Home / 20,447,749.40-30,734,609.70-19,314,008.60

Finding the Fourth Proportional to 20,447,749.40, 30,734,609.70 and 19,314,008.60

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Solution

The fourth proportional to 20,447,749.40, 30,734,609.70 and 19,314,008.60 is: 29,030,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,749.40 : 30,734,609.70 = 19,314,008.60 : x
  2. Step 2: Convert to fraction form
    20,447,749.40/30,734,609.70 = 19,314,008.60/x
  3. Step 3: Cross multiply
    20,447,749.40x = 30,734,609.70 × 19,314,008.60
  4. Step 4: Simplify right side
    20,447,749.40x = 593,608,516,063,443.50
  5. Step 5: Solve for x
    x = 593,608,516,063,443.50/20,447,749.40
  6. Step 6: Final answer
    x = 29,030,506.22

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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.