Home / 19,859,969.60-29,793,453.60-7,087,889.60

Finding the Fourth Proportional to 19,859,969.60, 29,793,453.60 and 7,087,889.60

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Solution

The fourth proportional to 19,859,969.60, 29,793,453.60 and 7,087,889.60 is: 10,633,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,969.60 : 29,793,453.60 = 7,087,889.60 : x
  2. Step 2: Convert to fraction form
    19,859,969.60/29,793,453.60 = 7,087,889.60/x
  3. Step 3: Cross multiply
    19,859,969.60x = 29,793,453.60 × 7,087,889.60
  4. Step 4: Simplify right side
    19,859,969.60x = 211,172,709,919,522.56
  5. Step 5: Solve for x
    x = 211,172,709,919,522.56/19,859,969.60
  6. Step 6: Final answer
    x = 10,633,083.24

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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.