Finding the Fourth Proportional to 10,697,605.40, 16,058,217.90 and 6,658,653.80
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Solution
The fourth proportional to 10,697,605.40, 16,058,217.90 and 6,658,653.80 is: 9,995,331.63
Step by Step Solution
- Step 1: Write the proportion equation
10,697,605.40 : 16,058,217.90 = 6,658,653.80 : x - Step 2: Convert to fraction form
10,697,605.40/16,058,217.90 = 6,658,653.80/x - Step 3: Cross multiply
10,697,605.40x = 16,058,217.90 × 6,658,653.80 - Step 4: Simplify right side
10,697,605.40x = 106,926,113,641,063.02 - Step 5: Solve for x
x = 106,926,113,641,063.02/10,697,605.40 - Step 6: Final answer
x = 9,995,331.63
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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.