Finding the Fourth Proportional to 38,419,289.04, 57,632,970.62 and 12,513,607.68
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Solution
The fourth proportional to 38,419,289.04, 57,632,970.62 and 12,513,607.68 is: 18,771,726.44
Step by Step Solution
- Step 1: Write the proportion equation
38,419,289.04 : 57,632,970.62 = 12,513,607.68 : x - Step 2: Convert to fraction form
38,419,289.04/57,632,970.62 = 12,513,607.68/x - Step 3: Cross multiply
38,419,289.04x = 57,632,970.62 × 12,513,607.68 - Step 4: Simplify right side
38,419,289.04x = 721,196,383,709,078.38 - Step 5: Solve for x
x = 721,196,383,709,078.38/38,419,289.04 - Step 6: Final answer
x = 18,771,726.44
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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.