Finding the Fourth Proportional to 19,402,217.70, 29,103,326.55 and 6,623,139.30
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Solution
The fourth proportional to 19,402,217.70, 29,103,326.55 and 6,623,139.30 is: 9,934,708.95
Step by Step Solution
- Step 1: Write the proportion equation
19,402,217.70 : 29,103,326.55 = 6,623,139.30 : x - Step 2: Convert to fraction form
19,402,217.70/29,103,326.55 = 6,623,139.30/x - Step 3: Cross multiply
19,402,217.70x = 29,103,326.55 × 6,623,139.30 - Step 4: Simplify right side
19,402,217.70x = 192,755,385,834,038.41 - Step 5: Solve for x
x = 192,755,385,834,038.41/19,402,217.70 - Step 6: Final answer
x = 9,934,708.95
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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.