Home / 13,886,145.81-19,162,667.20-7,774,793.01

Finding the Fourth Proportional to 13,886,145.81, 19,162,667.20 and 7,774,793.01

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Solution

The fourth proportional to 13,886,145.81, 19,162,667.20 and 7,774,793.01 is: 10,729,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,145.81 : 19,162,667.20 = 7,774,793.01 : x
  2. Step 2: Convert to fraction form
    13,886,145.81/19,162,667.20 = 7,774,793.01/x
  3. Step 3: Cross multiply
    13,886,145.81x = 19,162,667.20 × 7,774,793.01
  4. Step 4: Simplify right side
    13,886,145.81x = 148,985,770,999,516.25
  5. Step 5: Solve for x
    x = 148,985,770,999,516.25/13,886,145.81
  6. Step 6: Final answer
    x = 10,729,094.53

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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.