Home / 13,696,283.72-18,901,465.67-7,584,712.22

Finding the Fourth Proportional to 13,696,283.72, 18,901,465.67 and 7,584,712.22

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Solution

The fourth proportional to 13,696,283.72, 18,901,465.67 and 7,584,712.22 is: 10,467,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,283.72 : 18,901,465.67 = 7,584,712.22 : x
  2. Step 2: Convert to fraction form
    13,696,283.72/18,901,465.67 = 7,584,712.22/x
  3. Step 3: Cross multiply
    13,696,283.72x = 18,901,465.67 × 7,584,712.22
  4. Step 4: Simplify right side
    13,696,283.72x = 143,362,177,643,159.50
  5. Step 5: Solve for x
    x = 143,362,177,643,159.50/13,696,283.72
  6. Step 6: Final answer
    x = 10,467,231.88

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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.