Finding the Fourth Proportional to 10,953,942.66, 15,115,277.61 and 6,058,386.90
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Solution
The fourth proportional to 10,953,942.66, 15,115,277.61 and 6,058,386.90 is: 8,359,930.55
Step by Step Solution
- Step 1: Write the proportion equation
10,953,942.66 : 15,115,277.61 = 6,058,386.90 : x - Step 2: Convert to fraction form
10,953,942.66/15,115,277.61 = 6,058,386.90/x - Step 3: Cross multiply
10,953,942.66x = 15,115,277.61 × 6,058,386.90 - Step 4: Simplify right side
10,953,942.66x = 91,574,199,862,287.31 - Step 5: Solve for x
x = 91,574,199,862,287.31/10,953,942.66 - Step 6: Final answer
x = 8,359,930.55
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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.