Finding the Fourth Proportional to 7,146,368.79, 9,862,051.41 and 3,883,183.51
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Solution
The fourth proportional to 7,146,368.79, 9,862,051.41 and 3,883,183.51 is: 5,358,827.19
Step by Step Solution
- Step 1: Write the proportion equation
7,146,368.79 : 9,862,051.41 = 3,883,183.51 : x - Step 2: Convert to fraction form
7,146,368.79/9,862,051.41 = 3,883,183.51/x - Step 3: Cross multiply
7,146,368.79x = 9,862,051.41 × 3,883,183.51 - Step 4: Simplify right side
7,146,368.79x = 38,296,155,403,920.47 - Step 5: Solve for x
x = 38,296,155,403,920.47/7,146,368.79 - Step 6: Final answer
x = 5,358,827.19
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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.