Finding the Fourth Proportional to 20,926,746.98, 31,391,342.10 and 6,354,141.87
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Solution
The fourth proportional to 20,926,746.98, 31,391,342.10 and 6,354,141.87 is: 9,531,583.74
Step by Step Solution
- Step 1: Write the proportion equation
20,926,746.98 : 31,391,342.10 = 6,354,141.87 : x - Step 2: Convert to fraction form
20,926,746.98/31,391,342.10 = 6,354,141.87/x - Step 3: Cross multiply
20,926,746.98x = 31,391,342.10 × 6,354,141.87 - Step 4: Simplify right side
20,926,746.98x = 199,465,041,310,821.28 - Step 5: Solve for x
x = 199,465,041,310,821.28/20,926,746.98 - Step 6: Final answer
x = 9,531,583.74
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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.