Finding the Fourth Proportional to 19,684,807.70, 29,527,211.55 and 8,902,460.30
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Solution
The fourth proportional to 19,684,807.70, 29,527,211.55 and 8,902,460.30 is: 13,353,690.45
Step by Step Solution
- Step 1: Write the proportion equation
19,684,807.70 : 29,527,211.55 = 8,902,460.30 : x - Step 2: Convert to fraction form
19,684,807.70/29,527,211.55 = 8,902,460.30/x - Step 3: Cross multiply
19,684,807.70x = 29,527,211.55 × 8,902,460.30 - Step 4: Simplify right side
19,684,807.70x = 262,864,828,593,576.50 - Step 5: Solve for x
x = 262,864,828,593,576.50/19,684,807.70 - Step 6: Final answer
x = 13,353,690.45
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1.5x scale
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.