Finding the Fourth Proportional to 7,860,673.84, 10,847,941.86 and 4,423,037.08
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Solution
The fourth proportional to 7,860,673.84, 10,847,941.86 and 4,423,037.08 is: 6,103,910.44
Step by Step Solution
- Step 1: Write the proportion equation
7,860,673.84 : 10,847,941.86 = 4,423,037.08 : x - Step 2: Convert to fraction form
7,860,673.84/10,847,941.86 = 4,423,037.08/x - Step 3: Cross multiply
7,860,673.84x = 10,847,941.86 × 4,423,037.08 - Step 4: Simplify right side
7,860,673.84x = 47,980,849,088,464.16 - Step 5: Solve for x
x = 47,980,849,088,464.16/7,860,673.84 - Step 6: Final answer
x = 6,103,910.44
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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.