Finding the Fourth Proportional to 9,817,612.84, 13,548,176.58 and 5,407,253.80
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Solution
The fourth proportional to 9,817,612.84, 13,548,176.58 and 5,407,253.80 is: 7,461,939.12
Step by Step Solution
- Step 1: Write the proportion equation
9,817,612.84 : 13,548,176.58 = 5,407,253.80 : x - Step 2: Convert to fraction form
9,817,612.84/13,548,176.58 = 5,407,253.80/x - Step 3: Cross multiply
9,817,612.84x = 13,548,176.58 × 5,407,253.80 - Step 4: Simplify right side
9,817,612.84x = 73,258,429,295,276 - Step 5: Solve for x
x = 73,258,429,295,276/9,817,612.84 - Step 6: Final answer
x = 7,461,939.12
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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.