Finding the Fourth Proportional to 51,316,528.91, 70,816,246.12 and 27,794,480.45
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Solution
The fourth proportional to 51,316,528.91, 70,816,246.12 and 27,794,480.45 is: 38,356,077.66
Step by Step Solution
- Step 1: Write the proportion equation
51,316,528.91 : 70,816,246.12 = 27,794,480.45 : x - Step 2: Convert to fraction form
51,316,528.91/70,816,246.12 = 27,794,480.45/x - Step 3: Cross multiply
51,316,528.91x = 70,816,246.12 × 27,794,480.45 - Step 4: Simplify right side
51,316,528.91x = 1,968,300,768,325,490 - Step 5: Solve for x
x = 1,968,300,768,325,490/51,316,528.91 - Step 6: Final answer
x = 38,356,077.66
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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.