Finding the Fourth Proportional to 7,834,365.66, 11,752,088.42 and 3,280,829.70
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Solution
The fourth proportional to 7,834,365.66, 11,752,088.42 and 3,280,829.70 is: 4,921,470.66
Step by Step Solution
- Step 1: Write the proportion equation
7,834,365.66 : 11,752,088.42 = 3,280,829.70 : x - Step 2: Convert to fraction form
7,834,365.66/11,752,088.42 = 3,280,829.70/x - Step 3: Cross multiply
7,834,365.66x = 11,752,088.42 × 3,280,829.70 - Step 4: Simplify right side
7,834,365.66x = 38,556,600,725,362.08 - Step 5: Solve for x
x = 38,556,600,725,362.08/7,834,365.66 - Step 6: Final answer
x = 4,921,470.66
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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.