Home / 7,141,512.32-9,856,717.44-4,242,513.68

Finding the Fourth Proportional to 7,141,512.32, 9,856,717.44 and 4,242,513.68

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Solution

The fourth proportional to 7,141,512.32, 9,856,717.44 and 4,242,513.68 is: 5,855,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,512.32 : 9,856,717.44 = 4,242,513.68 : x
  2. Step 2: Convert to fraction form
    7,141,512.32/9,856,717.44 = 4,242,513.68/x
  3. Step 3: Cross multiply
    7,141,512.32x = 9,856,717.44 × 4,242,513.68
  4. Step 4: Simplify right side
    7,141,512.32x = 41,817,258,579,094.57
  5. Step 5: Solve for x
    x = 41,817,258,579,094.57/7,141,512.32
  6. Step 6: Final answer
    x = 5,855,518.65

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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.