Finding the Fourth Proportional to 9,911,431.43, 13,680,289.58 and 6,772,966.14
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Solution
The fourth proportional to 9,911,431.43, 13,680,289.58 and 6,772,966.14 is: 9,348,411.35
Step by Step Solution
- Step 1: Write the proportion equation
9,911,431.43 : 13,680,289.58 = 6,772,966.14 : x - Step 2: Convert to fraction form
9,911,431.43/13,680,289.58 = 6,772,966.14/x - Step 3: Cross multiply
9,911,431.43x = 13,680,289.58 × 6,772,966.14 - Step 4: Simplify right side
9,911,431.43x = 92,656,138,076,869.98 - Step 5: Solve for x
x = 92,656,138,076,869.98/9,911,431.43 - Step 6: Final answer
x = 9,348,411.35
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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.