Finding the Fourth Proportional to 10,371,862.37, 14,312,794.91 and 5,725,547.66
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Solution
The fourth proportional to 10,371,862.37, 14,312,794.91 and 5,725,547.66 is: 7,901,048.67
Step by Step Solution
- Step 1: Write the proportion equation
10,371,862.37 : 14,312,794.91 = 5,725,547.66 : x - Step 2: Convert to fraction form
10,371,862.37/14,312,794.91 = 5,725,547.66/x - Step 3: Cross multiply
10,371,862.37x = 14,312,794.91 × 5,725,547.66 - Step 4: Simplify right side
10,371,862.37x = 81,948,589,412,164.66 - Step 5: Solve for x
x = 81,948,589,412,164.66/10,371,862.37 - Step 6: Final answer
x = 7,901,048.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.