Finding the Fourth Proportional to 9,968,140.20, 14,959,208.70 and 4,292,437.80
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Solution
The fourth proportional to 9,968,140.20, 14,959,208.70 and 4,292,437.80 is: 6,441,670.32
Step by Step Solution
- Step 1: Write the proportion equation
9,968,140.20 : 14,959,208.70 = 4,292,437.80 : x - Step 2: Convert to fraction form
9,968,140.20/14,959,208.70 = 4,292,437.80/x - Step 3: Cross multiply
9,968,140.20x = 14,959,208.70 × 4,292,437.80 - Step 4: Simplify right side
9,968,140.20x = 64,211,472,881,968.85 - Step 5: Solve for x
x = 64,211,472,881,968.85/9,968,140.20 - Step 6: Final answer
x = 6,441,670.32
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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.