Finding the Fourth Proportional to 42,497,225.70, 63,745,838.55 and 13,763,982.30
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Solution
The fourth proportional to 42,497,225.70, 63,745,838.55 and 13,763,982.30 is: 20,645,973.45
Step by Step Solution
- Step 1: Write the proportion equation
42,497,225.70 : 63,745,838.55 = 13,763,982.30 : x - Step 2: Convert to fraction form
42,497,225.70/63,745,838.55 = 13,763,982.30/x - Step 3: Cross multiply
42,497,225.70x = 63,745,838.55 × 13,763,982.30 - Step 4: Simplify right side
42,497,225.70x = 877,396,593,500,857.62 - Step 5: Solve for x
x = 877,396,593,500,857.62/42,497,225.70 - Step 6: Final answer
x = 20,645,973.45
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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.