Home / 28,811,870.67-43,217,879.82-11,772,543.61

Finding the Fourth Proportional to 28,811,870.67, 43,217,879.82 and 11,772,543.61

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Solution

The fourth proportional to 28,811,870.67, 43,217,879.82 and 11,772,543.61 is: 17,658,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,870.67 : 43,217,879.82 = 11,772,543.61 : x
  2. Step 2: Convert to fraction form
    28,811,870.67/43,217,879.82 = 11,772,543.61/x
  3. Step 3: Cross multiply
    28,811,870.67x = 43,217,879.82 × 11,772,543.61
  4. Step 4: Simplify right side
    28,811,870.67x = 508,784,374,922,564.25
  5. Step 5: Solve for x
    x = 508,784,374,922,564.25/28,811,870.67
  6. Step 6: Final answer
    x = 17,658,845.57

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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.