Finding the Fourth Proportional to 7,139,618.16, 9,860,785.22 and 4,812,497.07
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Solution
The fourth proportional to 7,139,618.16, 9,860,785.22 and 4,812,497.07 is: 6,646,714.00
Step by Step Solution
- Step 1: Write the proportion equation
7,139,618.16 : 9,860,785.22 = 4,812,497.07 : x - Step 2: Convert to fraction form
7,139,618.16/9,860,785.22 = 4,812,497.07/x - Step 3: Cross multiply
7,139,618.16x = 9,860,785.22 × 4,812,497.07 - Step 4: Simplify right side
7,139,618.16x = 47,454,999,979,149.31 - Step 5: Solve for x
x = 47,454,999,979,149.31/7,139,618.16 - Step 6: Final answer
x = 6,646,714.00
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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.