Home / 13,886,146.81-19,162,668.58-7,774,794.01

Finding the Fourth Proportional to 13,886,146.81, 19,162,668.58 and 7,774,794.01

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Solution

The fourth proportional to 13,886,146.81, 19,162,668.58 and 7,774,794.01 is: 10,729,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,146.81 : 19,162,668.58 = 7,774,794.01 : x
  2. Step 2: Convert to fraction form
    13,886,146.81/19,162,668.58 = 7,774,794.01/x
  3. Step 3: Cross multiply
    13,886,146.81x = 19,162,668.58 × 7,774,794.01
  4. Step 4: Simplify right side
    13,886,146.81x = 148,985,800,891,399.19
  5. Step 5: Solve for x
    x = 148,985,800,891,399.19/13,886,146.81
  6. Step 6: Final answer
    x = 10,729,095.91

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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.