Home / 31,475,297.64-47,160,751.08-19,141,955.94

Finding the Fourth Proportional to 31,475,297.64, 47,160,751.08 and 19,141,955.94

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Solution

The fourth proportional to 31,475,297.64, 47,160,751.08 and 19,141,955.94 is: 28,681,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475,297.64 : 47,160,751.08 = 19,141,955.94 : x
  2. Step 2: Convert to fraction form
    31,475,297.64/47,160,751.08 = 19,141,955.94/x
  3. Step 3: Cross multiply
    31,475,297.64x = 47,160,751.08 × 19,141,955.94
  4. Step 4: Simplify right side
    31,475,297.64x = 902,749,019,270,667.50
  5. Step 5: Solve for x
    x = 902,749,019,270,667.50/31,475,297.64
  6. Step 6: Final answer
    x = 28,681,190.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.