Finding the Fourth Proportional to 14,013,091.84, 21,017,829.68 and 4,429,439.14
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Solution
The fourth proportional to 14,013,091.84, 21,017,829.68 and 4,429,439.14 is: 6,643,587.19
Step by Step Solution
- Step 1: Write the proportion equation
14,013,091.84 : 21,017,829.68 = 4,429,439.14 : x - Step 2: Convert to fraction form
14,013,091.84/21,017,829.68 = 4,429,439.14/x - Step 3: Cross multiply
14,013,091.84x = 21,017,829.68 × 4,429,439.14 - Step 4: Simplify right side
14,013,091.84x = 93,097,197,422,445.67 - Step 5: Solve for x
x = 93,097,197,422,445.67/14,013,091.84 - Step 6: Final answer
x = 6,643,587.19
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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.