Finding the Fourth Proportional to 26,428,761.68, 39,641,549.44 and 15,714,246.83
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Solution
The fourth proportional to 26,428,761.68, 39,641,549.44 and 15,714,246.83 is: 23,570,423.02
Step by Step Solution
- Step 1: Write the proportion equation
26,428,761.68 : 39,641,549.44 = 15,714,246.83 : x - Step 2: Convert to fraction form
26,428,761.68/39,641,549.44 = 15,714,246.83/x - Step 3: Cross multiply
26,428,761.68x = 39,641,549.44 × 15,714,246.83 - Step 4: Simplify right side
26,428,761.68x = 622,937,092,623,808.25 - Step 5: Solve for x
x = 622,937,092,623,808.25/26,428,761.68 - Step 6: Final answer
x = 23,570,423.02
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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.