Home / 13,868,020.26-19,137,763.89-7,756,448.76

Finding the Fourth Proportional to 13,868,020.26, 19,137,763.89 and 7,756,448.76

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Solution

The fourth proportional to 13,868,020.26, 19,137,763.89 and 7,756,448.76 is: 10,703,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,020.26 : 19,137,763.89 = 7,756,448.76 : x
  2. Step 2: Convert to fraction form
    13,868,020.26/19,137,763.89 = 7,756,448.76/x
  3. Step 3: Cross multiply
    13,868,020.26x = 19,137,763.89 × 7,756,448.76
  4. Step 4: Simplify right side
    13,868,020.26x = 148,441,084,993,763.28
  5. Step 5: Solve for x
    x = 148,441,084,993,763.28/13,868,020.26
  6. Step 6: Final answer
    x = 10,703,841.08

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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.