Finding the Fourth Proportional to 10,585,749.48, 14,602,948.16 and 6,916,810.88
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Solution
The fourth proportional to 10,585,749.48, 14,602,948.16 and 6,916,810.88 is: 9,541,679.67
Step by Step Solution
- Step 1: Write the proportion equation
10,585,749.48 : 14,602,948.16 = 6,916,810.88 : x - Step 2: Convert to fraction form
10,585,749.48/14,602,948.16 = 6,916,810.88/x - Step 3: Cross multiply
10,585,749.48x = 14,602,948.16 × 6,916,810.88 - Step 4: Simplify right side
10,585,749.48x = 101,005,830,605,565.19 - Step 5: Solve for x
x = 101,005,830,605,565.19/10,585,749.48 - Step 6: Final answer
x = 9,541,679.67
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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.