Home / 15,202,431.10-22,771,851.45-7,122,303.10

Finding the Fourth Proportional to 15,202,431.10, 22,771,851.45 and 7,122,303.10

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Solution

The fourth proportional to 15,202,431.10, 22,771,851.45 and 7,122,303.10 is: 10,668,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,431.10 : 22,771,851.45 = 7,122,303.10 : x
  2. Step 2: Convert to fraction form
    15,202,431.10/22,771,851.45 = 7,122,303.10/x
  3. Step 3: Cross multiply
    15,202,431.10x = 22,771,851.45 × 7,122,303.10
  4. Step 4: Simplify right side
    15,202,431.10x = 162,188,028,175,074.47
  5. Step 5: Solve for x
    x = 162,188,028,175,074.47/15,202,431.10
  6. Step 6: Final answer
    x = 10,668,558.67

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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.