Finding the Fourth Proportional to 21,565,367.88, 32,342,159.97 and 7,729,747.83
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Solution
The fourth proportional to 21,565,367.88, 32,342,159.97 and 7,729,747.83 is: 11,592,509.91
Step by Step Solution
- Step 1: Write the proportion equation
21,565,367.88 : 32,342,159.97 = 7,729,747.83 : x - Step 2: Convert to fraction form
21,565,367.88/32,342,159.97 = 7,729,747.83/x - Step 3: Cross multiply
21,565,367.88x = 32,342,159.97 × 7,729,747.83 - Step 4: Simplify right side
21,565,367.88x = 249,996,740,845,620.34 - Step 5: Solve for x
x = 249,996,740,845,620.34/21,565,367.88 - Step 6: Final answer
x = 11,592,509.91
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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.