Home / 13,562,113.52-18,715,981.64-7,450,773.68

Finding the Fourth Proportional to 13,562,113.52, 18,715,981.64 and 7,450,773.68

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Solution

The fourth proportional to 13,562,113.52, 18,715,981.64 and 7,450,773.68 is: 10,282,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562,113.52 : 18,715,981.64 = 7,450,773.68 : x
  2. Step 2: Convert to fraction form
    13,562,113.52/18,715,981.64 = 7,450,773.68/x
  3. Step 3: Cross multiply
    13,562,113.52x = 18,715,981.64 × 7,450,773.68
  4. Step 4: Simplify right side
    13,562,113.52x = 139,448,543,398,675.23
  5. Step 5: Solve for x
    x = 139,448,543,398,675.23/13,562,113.52
  6. Step 6: Final answer
    x = 10,282,213.25

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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.