Finding the Fourth Proportional to 15,739,329.10, 21,720,319.14 and 9,125,202.94
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Solution
The fourth proportional to 15,739,329.10, 21,720,319.14 and 9,125,202.94 is: 12,592,806.14
Step by Step Solution
- Step 1: Write the proportion equation
15,739,329.10 : 21,720,319.14 = 9,125,202.94 : x - Step 2: Convert to fraction form
15,739,329.10/21,720,319.14 = 9,125,202.94/x - Step 3: Cross multiply
15,739,329.10x = 21,720,319.14 × 9,125,202.94 - Step 4: Simplify right side
15,739,329.10x = 198,202,320,074,066.28 - Step 5: Solve for x
x = 198,202,320,074,066.28/15,739,329.10 - Step 6: Final answer
x = 12,592,806.14
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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.