Finding the Fourth Proportional to 54,154,774.08, 81,231,112.80 and 13,214,479.68
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Solution
The fourth proportional to 54,154,774.08, 81,231,112.80 and 13,214,479.68 is: 19,821,463.72
Step by Step Solution
- Step 1: Write the proportion equation
54,154,774.08 : 81,231,112.80 = 13,214,479.68 : x - Step 2: Convert to fraction form
54,154,774.08/81,231,112.80 = 13,214,479.68/x - Step 3: Cross multiply
54,154,774.08x = 81,231,112.80 × 13,214,479.68 - Step 4: Simplify right side
54,154,774.08x = 1,073,426,889,479,387.88 - Step 5: Solve for x
x = 1,073,426,889,479,387.88/54,154,774.08 - Step 6: Final answer
x = 19,821,463.72
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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.