Finding the Fourth Proportional to 7,436,437.50, 10,262,053.41 and 4,128,660.12
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Solution
The fourth proportional to 7,436,437.50, 10,262,053.41 and 4,128,660.12 is: 5,697,423.08
Step by Step Solution
- Step 1: Write the proportion equation
7,436,437.50 : 10,262,053.41 = 4,128,660.12 : x - Step 2: Convert to fraction form
7,436,437.50/10,262,053.41 = 4,128,660.12/x - Step 3: Cross multiply
7,436,437.50x = 10,262,053.41 × 4,128,660.12 - Step 4: Simplify right side
7,436,437.50x = 42,368,530,663,177.01 - Step 5: Solve for x
x = 42,368,530,663,177.01/7,436,437.50 - Step 6: Final answer
x = 5,697,423.08
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1.5x scale
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.