Home / 9,968,569.66-13,756,638.54-5,384,891.08

Finding the Fourth Proportional to 9,968,569.66, 13,756,638.54 and 5,384,891.08

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Solution

The fourth proportional to 9,968,569.66, 13,756,638.54 and 5,384,891.08 is: 7,431,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,569.66 : 13,756,638.54 = 5,384,891.08 : x
  2. Step 2: Convert to fraction form
    9,968,569.66/13,756,638.54 = 5,384,891.08/x
  3. Step 3: Cross multiply
    9,968,569.66x = 13,756,638.54 × 5,384,891.08
  4. Step 4: Simplify right side
    9,968,569.66x = 74,078,000,164,830.22
  5. Step 5: Solve for x
    x = 74,078,000,164,830.22/9,968,569.66
  6. Step 6: Final answer
    x = 7,431,156.39

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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.