Finding the Fourth Proportional to 14,228,489.62, 21,329,656.57 and 5,128,360.08
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Solution
The fourth proportional to 14,228,489.62, 21,329,656.57 and 5,128,360.08 is: 7,687,826.48
Step by Step Solution
- Step 1: Write the proportion equation
14,228,489.62 : 21,329,656.57 = 5,128,360.08 : x - Step 2: Convert to fraction form
14,228,489.62/21,329,656.57 = 5,128,360.08/x - Step 3: Cross multiply
14,228,489.62x = 21,329,656.57 × 5,128,360.08 - Step 4: Simplify right side
14,228,489.62x = 109,386,159,273,697.73 - Step 5: Solve for x
x = 109,386,159,273,697.73/14,228,489.62 - Step 6: Final answer
x = 7,687,826.48
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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.