Home / 12,944,509.80-19,416,764.70-7,905,661.80

Finding the Fourth Proportional to 12,944,509.80, 19,416,764.70 and 7,905,661.80

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Solution

The fourth proportional to 12,944,509.80, 19,416,764.70 and 7,905,661.80 is: 11,858,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,509.80 : 19,416,764.70 = 7,905,661.80 : x
  2. Step 2: Convert to fraction form
    12,944,509.80/19,416,764.70 = 7,905,661.80/x
  3. Step 3: Cross multiply
    12,944,509.80x = 19,416,764.70 × 7,905,661.80
  4. Step 4: Simplify right side
    12,944,509.80x = 153,502,374,968,378.44
  5. Step 5: Solve for x
    x = 153,502,374,968,378.44/12,944,509.80
  6. Step 6: Final answer
    x = 11,858,492.70

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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.