Finding the Fourth Proportional to 12,080,866.97, 16,671,599.15 and 6,648,358.97
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Solution
The fourth proportional to 12,080,866.97, 16,671,599.15 and 6,648,358.97 is: 9,174,736.88
Step by Step Solution
- Step 1: Write the proportion equation
12,080,866.97 : 16,671,599.15 = 6,648,358.97 : x - Step 2: Convert to fraction form
12,080,866.97/16,671,599.15 = 6,648,358.97/x - Step 3: Cross multiply
12,080,866.97x = 16,671,599.15 × 6,648,358.97 - Step 4: Simplify right side
12,080,866.97x = 110,838,775,636,547.08 - Step 5: Solve for x
x = 110,838,775,636,547.08/12,080,866.97 - Step 6: Final answer
x = 9,174,736.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.