Finding the Fourth Proportional to 11,643,920.90, 16,068,720.56 and 6,417,117.26
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Solution
The fourth proportional to 11,643,920.90, 16,068,720.56 and 6,417,117.26 is: 8,855,682.29
Step by Step Solution
- Step 1: Write the proportion equation
11,643,920.90 : 16,068,720.56 = 6,417,117.26 : x - Step 2: Convert to fraction form
11,643,920.90/16,068,720.56 = 6,417,117.26/x - Step 3: Cross multiply
11,643,920.90x = 16,068,720.56 × 6,417,117.26 - Step 4: Simplify right side
11,643,920.90x = 103,114,864,079,660.59 - Step 5: Solve for x
x = 103,114,864,079,660.59/11,643,920.90 - Step 6: Final answer
x = 8,855,682.29
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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.