Finding the Fourth Proportional to 13,452,545.58, 18,564,905.07 and 7,341,367.74
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Solution
The fourth proportional to 13,452,545.58, 18,564,905.07 and 7,341,367.74 is: 10,131,301.50
Step by Step Solution
- Step 1: Write the proportion equation
13,452,545.58 : 18,564,905.07 = 7,341,367.74 : x - Step 2: Convert to fraction form
13,452,545.58/18,564,905.07 = 7,341,367.74/x - Step 3: Cross multiply
13,452,545.58x = 18,564,905.07 × 7,341,367.74 - Step 4: Simplify right side
13,452,545.58x = 136,291,795,177,060.45 - Step 5: Solve for x
x = 136,291,795,177,060.45/13,452,545.58 - Step 6: Final answer
x = 10,131,301.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.