Home / 13,355,048.52-18,430,384.50-7,553,716.92

Finding the Fourth Proportional to 13,355,048.52, 18,430,384.50 and 7,553,716.92

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Solution

The fourth proportional to 13,355,048.52, 18,430,384.50 and 7,553,716.92 is: 10,424,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,048.52 : 18,430,384.50 = 7,553,716.92 : x
  2. Step 2: Convert to fraction form
    13,355,048.52/18,430,384.50 = 7,553,716.92/x
  3. Step 3: Cross multiply
    13,355,048.52x = 18,430,384.50 × 7,553,716.92
  4. Step 4: Simplify right side
    13,355,048.52x = 139,217,907,239,755.73
  5. Step 5: Solve for x
    x = 139,217,907,239,755.73/13,355,048.52
  6. Step 6: Final answer
    x = 10,424,365.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.