Finding the Fourth Proportional to 42,413,684.32, 63,624,177.96 and 11,708,269.12
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Solution
The fourth proportional to 42,413,684.32, 63,624,177.96 and 11,708,269.12 is: 17,563,411.67
Step by Step Solution
- Step 1: Write the proportion equation
42,413,684.32 : 63,624,177.96 = 11,708,269.12 : x - Step 2: Convert to fraction form
42,413,684.32/63,624,177.96 = 11,708,269.12/x - Step 3: Cross multiply
42,413,684.32x = 63,624,177.96 × 11,708,269.12 - Step 4: Simplify right side
42,413,684.32x = 744,928,998,094,452.50 - Step 5: Solve for x
x = 744,928,998,094,452.50/42,413,684.32 - Step 6: Final answer
x = 17,563,411.67
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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.