Finding the Fourth Proportional to 10,371,700.70, 15,557,551.05 and 8,953,358.30
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Solution
The fourth proportional to 10,371,700.70, 15,557,551.05 and 8,953,358.30 is: 13,430,037.45
Step by Step Solution
- Step 1: Write the proportion equation
10,371,700.70 : 15,557,551.05 = 8,953,358.30 : x - Step 2: Convert to fraction form
10,371,700.70/15,557,551.05 = 8,953,358.30/x - Step 3: Cross multiply
10,371,700.70x = 15,557,551.05 × 8,953,358.30 - Step 4: Simplify right side
10,371,700.70x = 139,292,328,821,191.23 - Step 5: Solve for x
x = 139,292,328,821,191.23/10,371,700.70 - Step 6: Final answer
x = 13,430,037.45
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1.5x scale
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.