Finding the Fourth Proportional to 40,124,248.90, 55,388,413.68 and 27,089,163.92
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Solution
The fourth proportional to 40,124,248.90, 55,388,413.68 and 27,089,163.92 is: 37,394,489.83
Step by Step Solution
- Step 1: Write the proportion equation
40,124,248.90 : 55,388,413.68 = 27,089,163.92 : x - Step 2: Convert to fraction form
40,124,248.90/55,388,413.68 = 27,089,163.92/x - Step 3: Cross multiply
40,124,248.90x = 55,388,413.68 × 27,089,163.92 - Step 4: Simplify right side
40,124,248.90x = 1,500,425,817,483,177.25 - Step 5: Solve for x
x = 1,500,425,817,483,177.25/40,124,248.90 - Step 6: Final answer
x = 37,394,489.83
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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.