Finding the Fourth Proportional to 17,386,218.90, 26,079,328.35 and 4,608,695.70
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Solution
The fourth proportional to 17,386,218.90, 26,079,328.35 and 4,608,695.70 is: 6,913,043.55
Step by Step Solution
- Step 1: Write the proportion equation
17,386,218.90 : 26,079,328.35 = 4,608,695.70 : x - Step 2: Convert to fraction form
17,386,218.90/26,079,328.35 = 4,608,695.70/x - Step 3: Cross multiply
17,386,218.90x = 26,079,328.35 × 4,608,695.70 - Step 4: Simplify right side
17,386,218.90x = 120,191,688,425,533.11 - Step 5: Solve for x
x = 120,191,688,425,533.11/17,386,218.90 - Step 6: Final answer
x = 6,913,043.55
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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.