Finding the Fourth Proportional to 13,261,068.66, 19,894,913.49 and 4,625,293.21
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Solution
The fourth proportional to 13,261,068.66, 19,894,913.49 and 4,625,293.21 is: 6,939,094.47
Step by Step Solution
- Step 1: Write the proportion equation
13,261,068.66 : 19,894,913.49 = 4,625,293.21 : x - Step 2: Convert to fraction form
13,261,068.66/19,894,913.49 = 4,625,293.21/x - Step 3: Cross multiply
13,261,068.66x = 19,894,913.49 × 4,625,293.21 - Step 4: Simplify right side
13,261,068.66x = 92,019,808,246,441.95 - Step 5: Solve for x
x = 92,019,808,246,441.95/13,261,068.66 - Step 6: Final answer
x = 6,939,094.47
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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.