Finding the Fourth Proportional to 26,648,525.43, 39,987,568.62 and 13,001,783.94
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Solution
The fourth proportional to 26,648,525.43, 39,987,568.62 and 13,001,783.94 is: 19,509,887.29
Step by Step Solution
- Step 1: Write the proportion equation
26,648,525.43 : 39,987,568.62 = 13,001,783.94 : x - Step 2: Convert to fraction form
26,648,525.43/39,987,568.62 = 13,001,783.94/x - Step 3: Cross multiply
26,648,525.43x = 39,987,568.62 × 13,001,783.94 - Step 4: Simplify right side
26,648,525.43x = 519,909,727,483,163.94 - Step 5: Solve for x
x = 519,909,727,483,163.94/26,648,525.43 - Step 6: Final answer
x = 19,509,887.29
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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.