Home / 19,561,199.04-29,303,628-12,809,142.72

Finding the Fourth Proportional to 19,561,199.04, 29,303,628 and 12,809,142.72

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Solution

The fourth proportional to 19,561,199.04, 29,303,628 and 12,809,142.72 is: 19,188,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,199.04 : 29,303,628 = 12,809,142.72 : x
  2. Step 2: Convert to fraction form
    19,561,199.04/29,303,628 = 12,809,142.72/x
  3. Step 3: Cross multiply
    19,561,199.04x = 29,303,628 × 12,809,142.72
  4. Step 4: Simplify right side
    19,561,199.04x = 375,354,353,265,788.19
  5. Step 5: Solve for x
    x = 375,354,353,265,788.19/19,561,199.04
  6. Step 6: Final answer
    x = 19,188,719.08

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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.