Home / 13,709,540.36-20,441,743.72-13,332,881.55

Finding the Fourth Proportional to 13,709,540.36, 20,441,743.72 and 13,332,881.55

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Solution

The fourth proportional to 13,709,540.36, 20,441,743.72 and 13,332,881.55 is: 19,880,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,540.36 : 20,441,743.72 = 13,332,881.55 : x
  2. Step 2: Convert to fraction form
    13,709,540.36/20,441,743.72 = 13,332,881.55/x
  3. Step 3: Cross multiply
    13,709,540.36x = 20,441,743.72 × 13,332,881.55
  4. Step 4: Simplify right side
    13,709,540.36x = 272,547,347,627,551.97
  5. Step 5: Solve for x
    x = 272,547,347,627,551.97/13,709,540.36
  6. Step 6: Final answer
    x = 19,880,122.93

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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.