Finding the Fourth Proportional to 19,444,821.60, 29,167,232.40 and 19,161,386.40
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Solution
The fourth proportional to 19,444,821.60, 29,167,232.40 and 19,161,386.40 is: 28,742,079.60
Step by Step Solution
- Step 1: Write the proportion equation
19,444,821.60 : 29,167,232.40 = 19,161,386.40 : x - Step 2: Convert to fraction form
19,444,821.60/29,167,232.40 = 19,161,386.40/x - Step 3: Cross multiply
19,444,821.60x = 29,167,232.40 × 19,161,386.40 - Step 4: Simplify right side
19,444,821.60x = 558,884,610,234,999.31 - Step 5: Solve for x
x = 558,884,610,234,999.31/19,444,821.60 - Step 6: Final answer
x = 28,742,079.60
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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.