Finding the Fourth Proportional to 13,207,407.84, 19,809,068.40 and 5,427,110.88
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Solution
The fourth proportional to 13,207,407.84, 19,809,068.40 and 5,427,110.88 is: 8,139,826.67
Step by Step Solution
- Step 1: Write the proportion equation
13,207,407.84 : 19,809,068.40 = 5,427,110.88 : x - Step 2: Convert to fraction form
13,207,407.84/19,809,068.40 = 5,427,110.88/x - Step 3: Cross multiply
13,207,407.84x = 19,809,068.40 × 5,427,110.88 - Step 4: Simplify right side
13,207,407.84x = 107,506,010,636,304.19 - Step 5: Solve for x
x = 107,506,010,636,304.19/13,207,407.84 - Step 6: Final answer
x = 8,139,826.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.