Home / 13,792,440.92-19,032,206.11-7,681,438.04

Finding the Fourth Proportional to 13,792,440.92, 19,032,206.11 and 7,681,438.04

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Solution

The fourth proportional to 13,792,440.92, 19,032,206.11 and 7,681,438.04 is: 10,599,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792,440.92 : 19,032,206.11 = 7,681,438.04 : x
  2. Step 2: Convert to fraction form
    13,792,440.92/19,032,206.11 = 7,681,438.04/x
  3. Step 3: Cross multiply
    13,792,440.92x = 19,032,206.11 × 7,681,438.04
  4. Step 4: Simplify right side
    13,792,440.92x = 146,194,711,884,109.81
  5. Step 5: Solve for x
    x = 146,194,711,884,109.81/13,792,440.92
  6. Step 6: Final answer
    x = 10,599,625.75

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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.