Finding the Fourth Proportional to 22,151,490.60, 33,227,235.90 and 19,165,506.60
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Solution
The fourth proportional to 22,151,490.60, 33,227,235.90 and 19,165,506.60 is: 28,748,259.90
Step by Step Solution
- Step 1: Write the proportion equation
22,151,490.60 : 33,227,235.90 = 19,165,506.60 : x - Step 2: Convert to fraction form
22,151,490.60/33,227,235.90 = 19,165,506.60/x - Step 3: Cross multiply
22,151,490.60x = 33,227,235.90 × 19,165,506.60 - Step 4: Simplify right side
22,151,490.60x = 636,816,808,941,207 - Step 5: Solve for x
x = 636,816,808,941,207/22,151,490.60 - Step 6: Final answer
x = 28,748,259.90
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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.