Home / 13,886,146.32-19,162,667.88-7,774,793.52

Finding the Fourth Proportional to 13,886,146.32, 19,162,667.88 and 7,774,793.52

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Solution

The fourth proportional to 13,886,146.32, 19,162,667.88 and 7,774,793.52 is: 10,729,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,146.32 : 19,162,667.88 = 7,774,793.52 : x
  2. Step 2: Convert to fraction form
    13,886,146.32/19,162,667.88 = 7,774,793.52/x
  3. Step 3: Cross multiply
    13,886,146.32x = 19,162,667.88 × 7,774,793.52
  4. Step 4: Simplify right side
    13,886,146.32x = 148,985,786,059,336.12
  5. Step 5: Solve for x
    x = 148,985,786,059,336.12/13,886,146.32
  6. Step 6: Final answer
    x = 10,729,095.22

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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.