Finding the Fourth Proportional to 9,939,530.70, 14,909,296.05 and 4,260,329.10
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Solution
The fourth proportional to 9,939,530.70, 14,909,296.05 and 4,260,329.10 is: 6,390,493.65
Step by Step Solution
- Step 1: Write the proportion equation
9,939,530.70 : 14,909,296.05 = 4,260,329.10 : x - Step 2: Convert to fraction form
9,939,530.70/14,909,296.05 = 4,260,329.10/x - Step 3: Cross multiply
9,939,530.70x = 14,909,296.05 × 4,260,329.10 - Step 4: Simplify right side
9,939,530.70x = 63,518,507,822,330.05 - Step 5: Solve for x
x = 63,518,507,822,330.05/9,939,530.70 - Step 6: Final answer
x = 6,390,493.65
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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.