Finding the Fourth Proportional to 20,063,962.26, 27,688,430.63 and 10,896,670.62
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Solution
The fourth proportional to 20,063,962.26, 27,688,430.63 and 10,896,670.62 is: 15,037,493.82
Step by Step Solution
- Step 1: Write the proportion equation
20,063,962.26 : 27,688,430.63 = 10,896,670.62 : x - Step 2: Convert to fraction form
20,063,962.26/27,688,430.63 = 10,896,670.62/x - Step 3: Cross multiply
20,063,962.26x = 27,688,430.63 × 10,896,670.62 - Step 4: Simplify right side
20,063,962.26x = 301,711,708,505,345.69 - Step 5: Solve for x
x = 301,711,708,505,345.69/20,063,962.26 - Step 6: Final answer
x = 15,037,493.82
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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.