Home / 8,883,039.30-12,258,678.69-5,212,018.32

Finding the Fourth Proportional to 8,883,039.30, 12,258,678.69 and 5,212,018.32

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Solution

The fourth proportional to 8,883,039.30, 12,258,678.69 and 5,212,018.32 is: 7,192,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883,039.30 : 12,258,678.69 = 5,212,018.32 : x
  2. Step 2: Convert to fraction form
    8,883,039.30/12,258,678.69 = 5,212,018.32/x
  3. Step 3: Cross multiply
    8,883,039.30x = 12,258,678.69 × 5,212,018.32
  4. Step 4: Simplify right side
    8,883,039.30x = 63,892,457,911,273.60
  5. Step 5: Solve for x
    x = 63,892,457,911,273.60/8,883,039.30
  6. Step 6: Final answer
    x = 7,192,634.84

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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.