Home / 21,200,441.40-31,800,662.10-19,048,105.35

Finding the Fourth Proportional to 21,200,441.40, 31,800,662.10 and 19,048,105.35

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Solution

The fourth proportional to 21,200,441.40, 31,800,662.10 and 19,048,105.35 is: 28,572,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200,441.40 : 31,800,662.10 = 19,048,105.35 : x
  2. Step 2: Convert to fraction form
    21,200,441.40/31,800,662.10 = 19,048,105.35/x
  3. Step 3: Cross multiply
    21,200,441.40x = 31,800,662.10 × 19,048,105.35
  4. Step 4: Simplify right side
    21,200,441.40x = 605,742,361,880,552.25
  5. Step 5: Solve for x
    x = 605,742,361,880,552.25/21,200,441.40
  6. Step 6: Final answer
    x = 28,572,158.03

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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.