Finding the Fourth Proportional to 8,081,985.30, 12,124,727.55 and 2,402,783.70
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Solution
The fourth proportional to 8,081,985.30, 12,124,727.55 and 2,402,783.70 is: 3,604,695.71
Step by Step Solution
- Step 1: Write the proportion equation
8,081,985.30 : 12,124,727.55 = 2,402,783.70 : x - Step 2: Convert to fraction form
8,081,985.30/12,124,727.55 = 2,402,783.70/x - Step 3: Cross multiply
8,081,985.30x = 12,124,727.55 × 2,402,783.70 - Step 4: Simplify right side
8,081,985.30x = 29,133,097,724,080.94 - Step 5: Solve for x
x = 29,133,097,724,080.94/8,081,985.30 - Step 6: Final answer
x = 3,604,695.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.