Finding the Fourth Proportional to 17,223,691.84, 25,817,793.90 and 7,643,582.08
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Solution
The fourth proportional to 17,223,691.84, 25,817,793.90 and 7,643,582.08 is: 11,457,498.70
Step by Step Solution
- Step 1: Write the proportion equation
17,223,691.84 : 25,817,793.90 = 7,643,582.08 : x - Step 2: Convert to fraction form
17,223,691.84/25,817,793.90 = 7,643,582.08/x - Step 3: Cross multiply
17,223,691.84x = 25,817,793.90 × 7,643,582.08 - Step 4: Simplify right side
17,223,691.84x = 197,340,426,799,173.31 - Step 5: Solve for x
x = 197,340,426,799,173.31/17,223,691.84 - Step 6: Final answer
x = 11,457,498.70
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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.