Finding the Fourth Proportional to 35,431,689.60, 48,895,731.36 and 19,134,164.16
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Solution
The fourth proportional to 35,431,689.60, 48,895,731.36 and 19,134,164.16 is: 26,405,146.39
Step by Step Solution
- Step 1: Write the proportion equation
35,431,689.60 : 48,895,731.36 = 19,134,164.16 : x - Step 2: Convert to fraction form
35,431,689.60/48,895,731.36 = 19,134,164.16/x - Step 3: Cross multiply
35,431,689.60x = 48,895,731.36 × 19,134,164.16 - Step 4: Simplify right side
35,431,689.60x = 935,578,950,565,500 - Step 5: Solve for x
x = 935,578,950,565,500/35,431,689.60 - Step 6: Final answer
x = 26,405,146.39
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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.