Finding the Fourth Proportional to 10,371,705.70, 15,557,558.55 and 8,953,363.30
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Solution
The fourth proportional to 10,371,705.70, 15,557,558.55 and 8,953,363.30 is: 13,430,044.95
Step by Step Solution
- Step 1: Write the proportion equation
10,371,705.70 : 15,557,558.55 = 8,953,363.30 : x - Step 2: Convert to fraction form
10,371,705.70/15,557,558.55 = 8,953,363.30/x - Step 3: Cross multiply
10,371,705.70x = 15,557,558.55 × 8,953,363.30 - Step 4: Simplify right side
10,371,705.70x = 139,292,473,759,171.23 - Step 5: Solve for x
x = 139,292,473,759,171.23/10,371,705.70 - Step 6: Final answer
x = 13,430,044.95
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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.