Finding the Fourth Proportional to 38,842,099.58, 53,598,281.21 and 21,437,323.81
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Solution
The fourth proportional to 38,842,099.58, 53,598,281.21 and 21,437,323.81 is: 29,581,400.66
Step by Step Solution
- Step 1: Write the proportion equation
38,842,099.58 : 53,598,281.21 = 21,437,323.81 : x - Step 2: Convert to fraction form
38,842,099.58/53,598,281.21 = 21,437,323.81/x - Step 3: Cross multiply
38,842,099.58x = 53,598,281.21 × 21,437,323.81 - Step 4: Simplify right side
38,842,099.58x = 1,149,003,709,958,208.50 - Step 5: Solve for x
x = 1,149,003,709,958,208.50/38,842,099.58 - Step 6: Final answer
x = 29,581,400.66
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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.