Finding the Fourth Proportional to 8,301,555.08, 12,454,743.84 and 3,442,970.60
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Solution
The fourth proportional to 8,301,555.08, 12,454,743.84 and 3,442,970.60 is: 5,165,455.92
Step by Step Solution
- Step 1: Write the proportion equation
8,301,555.08 : 12,454,743.84 = 3,442,970.60 : x - Step 2: Convert to fraction form
8,301,555.08/12,454,743.84 = 3,442,970.60/x - Step 3: Cross multiply
8,301,555.08x = 12,454,743.84 × 3,442,970.60 - Step 4: Simplify right side
8,301,555.08x = 42,881,316,871,651.10 - Step 5: Solve for x
x = 42,881,316,871,651.10/8,301,555.08 - Step 6: Final answer
x = 5,165,455.92
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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.