Finding the Fourth Proportional to 9,787,124.10, 14,680,686.15 and 6,385,901.70
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Solution
The fourth proportional to 9,787,124.10, 14,680,686.15 and 6,385,901.70 is: 9,578,852.55
Step by Step Solution
- Step 1: Write the proportion equation
9,787,124.10 : 14,680,686.15 = 6,385,901.70 : x - Step 2: Convert to fraction form
9,787,124.10/14,680,686.15 = 6,385,901.70/x - Step 3: Cross multiply
9,787,124.10x = 14,680,686.15 × 6,385,901.70 - Step 4: Simplify right side
9,787,124.10x = 93,749,418,642,451.45 - Step 5: Solve for x
x = 93,749,418,642,451.45/9,787,124.10 - Step 6: Final answer
x = 9,578,852.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.