Finding the Fourth Proportional to 10,355,381.67, 15,533,072.06 and 9,837,572.70
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Solution
The fourth proportional to 10,355,381.67, 15,533,072.06 and 9,837,572.70 is: 14,756,358.62
Step by Step Solution
- Step 1: Write the proportion equation
10,355,381.67 : 15,533,072.06 = 9,837,572.70 : x - Step 2: Convert to fraction form
10,355,381.67/15,533,072.06 = 9,837,572.70/x - Step 3: Cross multiply
10,355,381.67x = 15,533,072.06 × 9,837,572.70 - Step 4: Simplify right side
10,355,381.67x = 152,807,725,595,400.88 - Step 5: Solve for x
x = 152,807,725,595,400.88/10,355,381.67 - Step 6: Final answer
x = 14,756,358.62
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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.