Home / 11,186,143.40-16,779,215.10-3,997,911.80

Finding the Fourth Proportional to 11,186,143.40, 16,779,215.10 and 3,997,911.80

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Solution

The fourth proportional to 11,186,143.40, 16,779,215.10 and 3,997,911.80 is: 5,996,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186,143.40 : 16,779,215.10 = 3,997,911.80 : x
  2. Step 2: Convert to fraction form
    11,186,143.40/16,779,215.10 = 3,997,911.80/x
  3. Step 3: Cross multiply
    11,186,143.40x = 16,779,215.10 × 3,997,911.80
  4. Step 4: Simplify right side
    11,186,143.40x = 67,081,822,043,028.18
  5. Step 5: Solve for x
    x = 67,081,822,043,028.18/11,186,143.40
  6. Step 6: Final answer
    x = 5,996,867.70

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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.