Finding the Fourth Proportional to 21,736,129.68, 32,602,195.44 and 7,357,554
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Solution
The fourth proportional to 21,736,129.68, 32,602,195.44 and 7,357,554 is: 11,035,654.32
Step by Step Solution
- Step 1: Write the proportion equation
21,736,129.68 : 32,602,195.44 = 7,357,554 : x - Step 2: Convert to fraction form
21,736,129.68/32,602,195.44 = 7,357,554/x - Step 3: Cross multiply
21,736,129.68x = 32,602,195.44 × 7,357,554 - Step 4: Simplify right side
21,736,129.68x = 239,872,413,468,353.78 - Step 5: Solve for x
x = 239,872,413,468,353.78/21,736,129.68 - Step 6: Final answer
x = 11,035,654.32
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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.