Finding the Fourth Proportional to 19,924,363.80, 29,886,545.70 and 19,924,363.80
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Solution
The fourth proportional to 19,924,363.80, 29,886,545.70 and 19,924,363.80 is: 29,886,545.70
Step by Step Solution
- Step 1: Write the proportion equation
19,924,363.80 : 29,886,545.70 = 19,924,363.80 : x - Step 2: Convert to fraction form
19,924,363.80/29,886,545.70 = 19,924,363.80/x - Step 3: Cross multiply
19,924,363.80x = 29,886,545.70 × 19,924,363.80 - Step 4: Simplify right side
19,924,363.80x = 595,470,409,252,125.62 - Step 5: Solve for x
x = 595,470,409,252,125.62/19,924,363.80 - Step 6: Final answer
x = 29,886,545.70
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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.