Finding the Fourth Proportional to 14,759,709.13, 20,367,124.21 and 9,532,948.62
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Solution
The fourth proportional to 14,759,709.13, 20,367,124.21 and 9,532,948.62 is: 13,154,646.00
Step by Step Solution
- Step 1: Write the proportion equation
14,759,709.13 : 20,367,124.21 = 9,532,948.62 : x - Step 2: Convert to fraction form
14,759,709.13/20,367,124.21 = 9,532,948.62/x - Step 3: Cross multiply
14,759,709.13x = 20,367,124.21 × 9,532,948.62 - Step 4: Simplify right side
14,759,709.13x = 194,158,748,631,088.09 - Step 5: Solve for x
x = 194,158,748,631,088.09/14,759,709.13 - Step 6: Final answer
x = 13,154,646.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.