Finding the Fourth Proportional to 26,864,289.60, 40,284,545.76 and 7,690,678.08
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Solution
The fourth proportional to 26,864,289.60, 40,284,545.76 and 7,690,678.08 is: 11,532,613.65
Step by Step Solution
- Step 1: Write the proportion equation
26,864,289.60 : 40,284,545.76 = 7,690,678.08 : x - Step 2: Convert to fraction form
26,864,289.60/40,284,545.76 = 7,690,678.08/x - Step 3: Cross multiply
26,864,289.60x = 40,284,545.76 × 7,690,678.08 - Step 4: Simplify right side
26,864,289.60x = 309,815,473,039,188.94 - Step 5: Solve for x
x = 309,815,473,039,188.94/26,864,289.60 - Step 6: Final answer
x = 11,532,613.65
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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.