Finding the Fourth Proportional to 13,331,907.38, 19,998,897.93 and 4,357,366.58
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Solution
The fourth proportional to 13,331,907.38, 19,998,897.93 and 4,357,366.58 is: 6,536,388.75
Step by Step Solution
- Step 1: Write the proportion equation
13,331,907.38 : 19,998,897.93 = 4,357,366.58 : x - Step 2: Convert to fraction form
13,331,907.38/19,998,897.93 = 4,357,366.58/x - Step 3: Cross multiply
13,331,907.38x = 19,998,897.93 × 4,357,366.58 - Step 4: Simplify right side
13,331,907.38x = 87,142,529,477,013.17 - Step 5: Solve for x
x = 87,142,529,477,013.17/13,331,907.38 - Step 6: Final answer
x = 6,536,388.75
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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.