Home / 9,697,071.78-13,381,954.74-5,567,369.40

Finding the Fourth Proportional to 9,697,071.78, 13,381,954.74 and 5,567,369.40

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Solution

The fourth proportional to 9,697,071.78, 13,381,954.74 and 5,567,369.40 is: 7,682,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,697,071.78 : 13,381,954.74 = 5,567,369.40 : x
  2. Step 2: Convert to fraction form
    9,697,071.78/13,381,954.74 = 5,567,369.40/x
  3. Step 3: Cross multiply
    9,697,071.78x = 13,381,954.74 × 5,567,369.40
  4. Step 4: Simplify right side
    9,697,071.78x = 74,502,285,331,660.97
  5. Step 5: Solve for x
    x = 74,502,285,331,660.97/9,697,071.78
  6. Step 6: Final answer
    x = 7,682,967.29

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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.