Finding the Fourth Proportional to 15,163,909.80, 22,745,864.70 and 15,163,909.80
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Solution
The fourth proportional to 15,163,909.80, 22,745,864.70 and 15,163,909.80 is: 22,745,864.70
Step by Step Solution
- Step 1: Write the proportion equation
15,163,909.80 : 22,745,864.70 = 15,163,909.80 : x - Step 2: Convert to fraction form
15,163,909.80/22,745,864.70 = 15,163,909.80/x - Step 3: Cross multiply
15,163,909.80x = 22,745,864.70 × 15,163,909.80 - Step 4: Simplify right side
15,163,909.80x = 344,916,240,633,804.06 - Step 5: Solve for x
x = 344,916,240,633,804.06/15,163,909.80 - Step 6: Final answer
x = 22,745,864.70
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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.