Finding the Fourth Proportional to 19,702,451.70, 29,553,677.55 and 9,085,619.70
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Solution
The fourth proportional to 19,702,451.70, 29,553,677.55 and 9,085,619.70 is: 13,628,429.55
Step by Step Solution
- Step 1: Write the proportion equation
19,702,451.70 : 29,553,677.55 = 9,085,619.70 : x - Step 2: Convert to fraction form
19,702,451.70/29,553,677.55 = 9,085,619.70/x - Step 3: Cross multiply
19,702,451.70x = 29,553,677.55 × 9,085,619.70 - Step 4: Simplify right side
19,702,451.70x = 268,513,474,955,727.72 - Step 5: Solve for x
x = 268,513,474,955,727.72/19,702,451.70 - Step 6: Final answer
x = 13,628,429.55
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1.5x scale
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.