Finding the Fourth Proportional to 15,947,628.36, 22,006,307.68 and 8,882,680.76
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Solution
The fourth proportional to 15,947,628.36, 22,006,307.68 and 8,882,680.76 is: 12,257,308.82
Step by Step Solution
- Step 1: Write the proportion equation
15,947,628.36 : 22,006,307.68 = 8,882,680.76 : x - Step 2: Convert to fraction form
15,947,628.36/22,006,307.68 = 8,882,680.76/x - Step 3: Cross multiply
15,947,628.36x = 22,006,307.68 × 8,882,680.76 - Step 4: Simplify right side
15,947,628.36x = 195,475,005,827,776.22 - Step 5: Solve for x
x = 195,475,005,827,776.22/15,947,628.36 - Step 6: Final answer
x = 12,257,308.82
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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.