Finding the Fourth Proportional to 39,670,448.96, 59,478,507.64 and 20,201,989.68
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Solution
The fourth proportional to 39,670,448.96, 59,478,507.64 and 20,201,989.68 is: 30,289,150.46
Step by Step Solution
- Step 1: Write the proportion equation
39,670,448.96 : 59,478,507.64 = 20,201,989.68 : x - Step 2: Convert to fraction form
39,670,448.96/59,478,507.64 = 20,201,989.68/x - Step 3: Cross multiply
39,670,448.96x = 59,478,507.64 × 20,201,989.68 - Step 4: Simplify right side
39,670,448.96x = 1,201,584,197,525,081.25 - Step 5: Solve for x
x = 1,201,584,197,525,081.25/39,670,448.96 - Step 6: Final answer
x = 30,289,150.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.