Finding the Fourth Proportional to 15,739,328.09, 21,720,317.75 and 9,125,201.93
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Solution
The fourth proportional to 15,739,328.09, 21,720,317.75 and 9,125,201.93 is: 12,592,804.74
Step by Step Solution
- Step 1: Write the proportion equation
15,739,328.09 : 21,720,317.75 = 9,125,201.93 : x - Step 2: Convert to fraction form
15,739,328.09/21,720,317.75 = 9,125,201.93/x - Step 3: Cross multiply
15,739,328.09x = 21,720,317.75 × 9,125,201.93 - Step 4: Simplify right side
15,739,328.09x = 198,202,285,452,513.25 - Step 5: Solve for x
x = 198,202,285,452,513.25/15,739,328.09 - Step 6: Final answer
x = 12,592,804.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.