Finding the Fourth Proportional to 17,815,761.58, 26,742,539.93 and 15,779,640.02
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Solution
The fourth proportional to 17,815,761.58, 26,742,539.93 and 15,779,640.02 is: 23,686,197.83
Step by Step Solution
- Step 1: Write the proportion equation
17,815,761.58 : 26,742,539.93 = 15,779,640.02 : x - Step 2: Convert to fraction form
17,815,761.58/26,742,539.93 = 15,779,640.02/x - Step 3: Cross multiply
17,815,761.58x = 26,742,539.93 × 15,779,640.02 - Step 4: Simplify right side
17,815,761.58x = 421,987,653,315,876 - Step 5: Solve for x
x = 421,987,653,315,876/17,815,761.58 - Step 6: Final answer
x = 23,686,197.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.