Finding the Fourth Proportional to 27,646,292.84, 38,151,900.50 and 15,423,149.84
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Solution
The fourth proportional to 27,646,292.84, 38,151,900.50 and 15,423,149.84 is: 21,283,955.91
Step by Step Solution
- Step 1: Write the proportion equation
27,646,292.84 : 38,151,900.50 = 15,423,149.84 : x - Step 2: Convert to fraction form
27,646,292.84/38,151,900.50 = 15,423,149.84/x - Step 3: Cross multiply
27,646,292.84x = 38,151,900.50 × 15,423,149.84 - Step 4: Simplify right side
27,646,292.84x = 588,422,477,824,395.62 - Step 5: Solve for x
x = 588,422,477,824,395.62/27,646,292.84 - Step 6: Final answer
x = 21,283,955.91
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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.