Finding the Fourth Proportional to 15,207,509.70, 22,816,357.29 and 4,972,841.46
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Solution
The fourth proportional to 15,207,509.70, 22,816,357.29 and 4,972,841.46 is: 7,460,927.51
Step by Step Solution
- Step 1: Write the proportion equation
15,207,509.70 : 22,816,357.29 = 4,972,841.46 : x - Step 2: Convert to fraction form
15,207,509.70/22,816,357.29 = 4,972,841.46/x - Step 3: Cross multiply
15,207,509.70x = 22,816,357.29 × 4,972,841.46 - Step 4: Simplify right side
15,207,509.70x = 113,462,127,497,885.23 - Step 5: Solve for x
x = 113,462,127,497,885.23/15,207,509.70 - Step 6: Final answer
x = 7,460,927.51
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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.