Finding the Fourth Proportional to 27,776,328.98, 38,331,640.53 and 15,386,612.18
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Solution
The fourth proportional to 27,776,328.98, 38,331,640.53 and 15,386,612.18 is: 21,233,694.61
Step by Step Solution
- Step 1: Write the proportion equation
27,776,328.98 : 38,331,640.53 = 15,386,612.18 : x - Step 2: Convert to fraction form
27,776,328.98/38,331,640.53 = 15,386,612.18/x - Step 3: Cross multiply
27,776,328.98x = 38,331,640.53 × 15,386,612.18 - Step 4: Simplify right side
27,776,328.98x = 589,794,087,058,279.62 - Step 5: Solve for x
x = 589,794,087,058,279.62/27,776,328.98 - Step 6: Final answer
x = 21,233,694.61
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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.