Finding the Fourth Proportional to 19,420,541.02, 26,800,291.29 and 10,718,651.08
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Solution
The fourth proportional to 19,420,541.02, 26,800,291.29 and 10,718,651.08 is: 14,791,707.96
Step by Step Solution
- Step 1: Write the proportion equation
19,420,541.02 : 26,800,291.29 = 10,718,651.08 : x - Step 2: Convert to fraction form
19,420,541.02/26,800,291.29 = 10,718,651.08/x - Step 3: Cross multiply
19,420,541.02x = 26,800,291.29 × 10,718,651.08 - Step 4: Simplify right side
19,420,541.02x = 287,262,971,179,873.06 - Step 5: Solve for x
x = 287,262,971,179,873.06/19,420,541.02 - Step 6: Final answer
x = 14,791,707.96
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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.