Finding the Fourth Proportional to 13,252,069.80, 19,867,607.10 and 7,268,437.80
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Solution
The fourth proportional to 13,252,069.80, 19,867,607.10 and 7,268,437.80 is: 10,896,899.02
Step by Step Solution
- Step 1: Write the proportion equation
13,252,069.80 : 19,867,607.10 = 7,268,437.80 : x - Step 2: Convert to fraction form
13,252,069.80/19,867,607.10 = 7,268,437.80/x - Step 3: Cross multiply
13,252,069.80x = 19,867,607.10 × 7,268,437.80 - Step 4: Simplify right side
13,252,069.80x = 144,406,466,441,188.38 - Step 5: Solve for x
x = 144,406,466,441,188.38/13,252,069.80 - Step 6: Final answer
x = 10,896,899.02
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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.