Finding the Fourth Proportional to 13,258,364.05, 19,881,747.21 and 6,689,030.17
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Solution
The fourth proportional to 13,258,364.05, 19,881,747.21 and 6,689,030.17 is: 10,030,619.64
Step by Step Solution
- Step 1: Write the proportion equation
13,258,364.05 : 19,881,747.21 = 6,689,030.17 : x - Step 2: Convert to fraction form
13,258,364.05/19,881,747.21 = 6,689,030.17/x - Step 3: Cross multiply
13,258,364.05x = 19,881,747.21 × 6,689,030.17 - Step 4: Simplify right side
13,258,364.05x = 132,989,606,870,298.97 - Step 5: Solve for x
x = 132,989,606,870,298.97/13,258,364.05 - Step 6: Final answer
x = 10,030,619.64
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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.