Home / 13,709,468.34-20,441,636.24-13,332,809.58

Finding the Fourth Proportional to 13,709,468.34, 20,441,636.24 and 13,332,809.58

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Solution

The fourth proportional to 13,709,468.34, 20,441,636.24 and 13,332,809.58 is: 19,880,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,468.34 : 20,441,636.24 = 13,332,809.58 : x
  2. Step 2: Convert to fraction form
    13,709,468.34/20,441,636.24 = 13,332,809.58/x
  3. Step 3: Cross multiply
    13,709,468.34x = 20,441,636.24 × 13,332,809.58
  4. Step 4: Simplify right side
    13,709,468.34x = 272,544,443,424,883.12
  5. Step 5: Solve for x
    x = 272,544,443,424,883.12/13,709,468.34
  6. Step 6: Final answer
    x = 19,880,015.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.