Home / 9,490,979.38-13,097,477.82-5,139,964.78

Finding the Fourth Proportional to 9,490,979.38, 13,097,477.82 and 5,139,964.78

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Solution

The fourth proportional to 9,490,979.38, 13,097,477.82 and 5,139,964.78 is: 7,093,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490,979.38 : 13,097,477.82 = 5,139,964.78 : x
  2. Step 2: Convert to fraction form
    9,490,979.38/13,097,477.82 = 5,139,964.78/x
  3. Step 3: Cross multiply
    9,490,979.38x = 13,097,477.82 × 5,139,964.78
  4. Step 4: Simplify right side
    9,490,979.38x = 67,320,574,701,631.19
  5. Step 5: Solve for x
    x = 67,320,574,701,631.19/9,490,979.38
  6. Step 6: Final answer
    x = 7,093,111.47

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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.