Home / 13,161,811.20-19,748,937.60-5,595,244.80

Finding the Fourth Proportional to 13,161,811.20, 19,748,937.60 and 5,595,244.80

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Solution

The fourth proportional to 13,161,811.20, 19,748,937.60 and 5,595,244.80 is: 8,395,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,811.20 : 19,748,937.60 = 5,595,244.80 : x
  2. Step 2: Convert to fraction form
    13,161,811.20/19,748,937.60 = 5,595,244.80/x
  3. Step 3: Cross multiply
    13,161,811.20x = 19,748,937.60 × 5,595,244.80
  4. Step 4: Simplify right side
    13,161,811.20x = 110,500,140,411,924.48
  5. Step 5: Solve for x
    x = 110,500,140,411,924.48/13,161,811.20
  6. Step 6: Final answer
    x = 8,395,511.74

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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.