Finding the Fourth Proportional to 10,712,135.43, 14,787,270.27 and 7,232,186.14
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Solution
The fourth proportional to 10,712,135.43, 14,787,270.27 and 7,232,186.14 is: 9,983,470.78
Step by Step Solution
- Step 1: Write the proportion equation
10,712,135.43 : 14,787,270.27 = 7,232,186.14 : x - Step 2: Convert to fraction form
10,712,135.43/14,787,270.27 = 7,232,186.14/x - Step 3: Cross multiply
10,712,135.43x = 14,787,270.27 × 7,232,186.14 - Step 4: Simplify right side
10,712,135.43x = 106,944,291,058,159.88 - Step 5: Solve for x
x = 106,944,291,058,159.88/10,712,135.43 - Step 6: Final answer
x = 9,983,470.78
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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.