Finding the Fourth Proportional to 12,756,610.18, 19,143,881.86 and 11,536,953.08
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Solution
The fourth proportional to 12,756,610.18, 19,143,881.86 and 11,536,953.08 is: 17,313,538.92
Step by Step Solution
- Step 1: Write the proportion equation
12,756,610.18 : 19,143,881.86 = 11,536,953.08 : x - Step 2: Convert to fraction form
12,756,610.18/19,143,881.86 = 11,536,953.08/x - Step 3: Cross multiply
12,756,610.18x = 19,143,881.86 × 11,536,953.08 - Step 4: Simplify right side
12,756,610.18x = 220,862,066,787,883.12 - Step 5: Solve for x
x = 220,862,066,787,883.12/12,756,610.18 - Step 6: Final answer
x = 17,313,538.92
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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.