Finding the Fourth Proportional to 26,581,786.42, 39,879,404.61 and 7,412,545.48
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Solution
The fourth proportional to 26,581,786.42, 39,879,404.61 and 7,412,545.48 is: 11,120,693.53
Step by Step Solution
- Step 1: Write the proportion equation
26,581,786.42 : 39,879,404.61 = 7,412,545.48 : x - Step 2: Convert to fraction form
26,581,786.42/39,879,404.61 = 7,412,545.48/x - Step 3: Cross multiply
26,581,786.42x = 39,879,404.61 × 7,412,545.48 - Step 4: Simplify right side
26,581,786.42x = 295,607,900,386,946.69 - Step 5: Solve for x
x = 295,607,900,386,946.69/26,581,786.42 - Step 6: Final answer
x = 11,120,693.53
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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.