Finding the Fourth Proportional to 9,703,132.80, 14,537,203.20 and 4,643,289.60
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Solution
The fourth proportional to 9,703,132.80, 14,537,203.20 and 4,643,289.60 is: 6,956,561.95
Step by Step Solution
- Step 1: Write the proportion equation
9,703,132.80 : 14,537,203.20 = 4,643,289.60 : x - Step 2: Convert to fraction form
9,703,132.80/14,537,203.20 = 4,643,289.60/x - Step 3: Cross multiply
9,703,132.80x = 14,537,203.20 × 4,643,289.60 - Step 4: Simplify right side
9,703,132.80x = 67,500,444,431,646.71 - Step 5: Solve for x
x = 67,500,444,431,646.71/9,703,132.80 - Step 6: Final answer
x = 6,956,561.95
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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.