Finding the Fourth Proportional to 25,316,873.88, 34,937,392.98 and 13,714,437.42
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Solution
The fourth proportional to 25,316,873.88, 34,937,392.98 and 13,714,437.42 is: 18,925,981.62
Step by Step Solution
- Step 1: Write the proportion equation
25,316,873.88 : 34,937,392.98 = 13,714,437.42 : x - Step 2: Convert to fraction form
25,316,873.88/34,937,392.98 = 13,714,437.42/x - Step 3: Cross multiply
25,316,873.88x = 34,937,392.98 × 13,714,437.42 - Step 4: Simplify right side
25,316,873.88x = 479,146,689,642,157.25 - Step 5: Solve for x
x = 479,146,689,642,157.25/25,316,873.88 - Step 6: Final answer
x = 18,925,981.62
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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.