Finding the Fourth Proportional to 19,676,348.93, 29,453,988.83 and 12,838,197.93
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Solution
The fourth proportional to 19,676,348.93, 29,453,988.83 and 12,838,197.93 is: 19,217,800.00
Step by Step Solution
- Step 1: Write the proportion equation
19,676,348.93 : 29,453,988.83 = 12,838,197.93 : x - Step 2: Convert to fraction form
19,676,348.93/29,453,988.83 = 12,838,197.93/x - Step 3: Cross multiply
19,676,348.93x = 29,453,988.83 × 12,838,197.93 - Step 4: Simplify right side
19,676,348.93x = 378,136,138,363,358.12 - Step 5: Solve for x
x = 378,136,138,363,358.12/19,676,348.93 - Step 6: Final answer
x = 19,217,800.00
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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.