Finding the Fourth Proportional to 19,930,600.70, 29,895,901.05 and 19,552,687.10
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Solution
The fourth proportional to 19,930,600.70, 29,895,901.05 and 19,552,687.10 is: 29,329,030.65
Step by Step Solution
- Step 1: Write the proportion equation
19,930,600.70 : 29,895,901.05 = 19,552,687.10 : x - Step 2: Convert to fraction form
19,930,600.70/29,895,901.05 = 19,552,687.10/x - Step 3: Cross multiply
19,930,600.70x = 29,895,901.05 × 19,552,687.10 - Step 4: Simplify right side
19,930,600.70x = 584,545,198,803,211.50 - Step 5: Solve for x
x = 584,545,198,803,211.50/19,930,600.70 - Step 6: Final answer
x = 29,329,030.65
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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.