Finding the Fourth Proportional to 40,371,979.75, 55,712,621.10 and 22,967,953.99
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Solution
The fourth proportional to 40,371,979.75, 55,712,621.10 and 22,967,953.99 is: 31,695,372.04
Step by Step Solution
- Step 1: Write the proportion equation
40,371,979.75 : 55,712,621.10 = 22,967,953.99 : x - Step 2: Convert to fraction form
40,371,979.75/55,712,621.10 = 22,967,953.99/x - Step 3: Cross multiply
40,371,979.75x = 55,712,621.10 × 22,967,953.99 - Step 4: Simplify right side
40,371,979.75x = 1,279,604,918,087,103.25 - Step 5: Solve for x
x = 1,279,604,918,087,103.25/40,371,979.75 - Step 6: Final answer
x = 31,695,372.04
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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.