Finding the Fourth Proportional to 27,871,544.56, 38,462,731.50 and 15,648,664
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Solution
The fourth proportional to 27,871,544.56, 38,462,731.50 and 15,648,664 is: 21,595,156.32
Step by Step Solution
- Step 1: Write the proportion equation
27,871,544.56 : 38,462,731.50 = 15,648,664 : x - Step 2: Convert to fraction form
27,871,544.56/38,462,731.50 = 15,648,664/x - Step 3: Cross multiply
27,871,544.56x = 38,462,731.50 × 15,648,664 - Step 4: Simplify right side
27,871,544.56x = 601,890,361,765,716 - Step 5: Solve for x
x = 601,890,361,765,716/27,871,544.56 - Step 6: Final answer
x = 21,595,156.32
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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.