Finding the Fourth Proportional to 19,847,461.80, 29,771,192.70 and 14,808,613.80
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Solution
The fourth proportional to 19,847,461.80, 29,771,192.70 and 14,808,613.80 is: 22,212,920.70
Step by Step Solution
- Step 1: Write the proportion equation
19,847,461.80 : 29,771,192.70 = 14,808,613.80 : x - Step 2: Convert to fraction form
19,847,461.80/29,771,192.70 = 14,808,613.80/x - Step 3: Cross multiply
19,847,461.80x = 29,771,192.70 × 14,808,613.80 - Step 4: Simplify right side
19,847,461.80x = 440,870,095,059,679.25 - Step 5: Solve for x
x = 440,870,095,059,679.25/19,847,461.80 - Step 6: Final answer
x = 22,212,920.70
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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.