Finding the Fourth Proportional to 7,845,812.70, 11,768,701.74 and 2,088,547.62
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Solution
The fourth proportional to 7,845,812.70, 11,768,701.74 and 2,088,547.62 is: 3,132,816.82
Step by Step Solution
- Step 1: Write the proportion equation
7,845,812.70 : 11,768,701.74 = 2,088,547.62 : x - Step 2: Convert to fraction form
7,845,812.70/11,768,701.74 = 2,088,547.62/x - Step 3: Cross multiply
7,845,812.70x = 11,768,701.74 × 2,088,547.62 - Step 4: Simplify right side
7,845,812.70x = 24,579,494,009,566.86 - Step 5: Solve for x
x = 24,579,494,009,566.86/7,845,812.70 - Step 6: Final answer
x = 3,132,816.82
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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.