Home / 13,868,938.53-19,137,458.25-7,990,495.83

Finding the Fourth Proportional to 13,868,938.53, 19,137,458.25 and 7,990,495.83

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Solution

The fourth proportional to 13,868,938.53, 19,137,458.25 and 7,990,495.83 is: 11,025,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,938.53 : 19,137,458.25 = 7,990,495.83 : x
  2. Step 2: Convert to fraction form
    13,868,938.53/19,137,458.25 = 7,990,495.83/x
  3. Step 3: Cross multiply
    13,868,938.53x = 19,137,458.25 × 7,990,495.83
  4. Step 4: Simplify right side
    13,868,938.53x = 152,917,780,343,424.09
  5. Step 5: Solve for x
    x = 152,917,780,343,424.09/13,868,938.53
  6. Step 6: Final answer
    x = 11,025,918.10

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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.