Home / 28,758,911.10-43,117,371.45-11,710,808.70

Finding the Fourth Proportional to 28,758,911.10, 43,117,371.45 and 11,710,808.70

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Solution

The fourth proportional to 28,758,911.10, 43,117,371.45 and 11,710,808.70 is: 17,557,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,911.10 : 43,117,371.45 = 11,710,808.70 : x
  2. Step 2: Convert to fraction form
    28,758,911.10/43,117,371.45 = 11,710,808.70/x
  3. Step 3: Cross multiply
    28,758,911.10x = 43,117,371.45 × 11,710,808.70
  4. Step 4: Simplify right side
    28,758,911.10x = 504,939,288,697,791.62
  5. Step 5: Solve for x
    x = 504,939,288,697,791.62/28,758,911.10
  6. Step 6: Final answer
    x = 17,557,663.67

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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.