Finding the Fourth Proportional to 51,103,751.16, 70,520,509.06 and 27,894,394.09
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Solution
The fourth proportional to 51,103,751.16, 70,520,509.06 and 27,894,394.09 is: 38,492,807.80
Step by Step Solution
- Step 1: Write the proportion equation
51,103,751.16 : 70,520,509.06 = 27,894,394.09 : x - Step 2: Convert to fraction form
51,103,751.16/70,520,509.06 = 27,894,394.09/x - Step 3: Cross multiply
51,103,751.16x = 70,520,509.06 × 27,894,394.09 - Step 4: Simplify right side
51,103,751.16x = 1,967,126,871,147,055.50 - Step 5: Solve for x
x = 1,967,126,871,147,055.50/51,103,751.16 - Step 6: Final answer
x = 38,492,807.80
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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.