Finding the Fourth Proportional to 11,133,655.80, 16,690,763.70 and 4,314,881.40
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Solution
The fourth proportional to 11,133,655.80, 16,690,763.70 and 4,314,881.40 is: 6,468,555.09
Step by Step Solution
- Step 1: Write the proportion equation
11,133,655.80 : 16,690,763.70 = 4,314,881.40 : x - Step 2: Convert to fraction form
11,133,655.80/16,690,763.70 = 4,314,881.40/x - Step 3: Cross multiply
11,133,655.80x = 16,690,763.70 × 4,314,881.40 - Step 4: Simplify right side
11,133,655.80x = 72,018,665,840,925.19 - Step 5: Solve for x
x = 72,018,665,840,925.19/11,133,655.80 - Step 6: Final answer
x = 6,468,555.09
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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.