Finding the Fourth Proportional to 13,134,001.80, 19,701,002.70 and 8,095,153.80
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Solution
The fourth proportional to 13,134,001.80, 19,701,002.70 and 8,095,153.80 is: 12,142,730.70
Step by Step Solution
- Step 1: Write the proportion equation
13,134,001.80 : 19,701,002.70 = 8,095,153.80 : x - Step 2: Convert to fraction form
13,134,001.80/19,701,002.70 = 8,095,153.80/x - Step 3: Cross multiply
13,134,001.80x = 19,701,002.70 × 8,095,153.80 - Step 4: Simplify right side
13,134,001.80x = 159,482,646,870,715.25 - Step 5: Solve for x
x = 159,482,646,870,715.25/13,134,001.80 - Step 6: Final answer
x = 12,142,730.70
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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.