Finding the Fourth Proportional to 27,698,362.74, 38,228,487.12 and 16,102,652.40
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Solution
The fourth proportional to 27,698,362.74, 38,228,487.12 and 16,102,652.40 is: 22,224,419.75
Step by Step Solution
- Step 1: Write the proportion equation
27,698,362.74 : 38,228,487.12 = 16,102,652.40 : x - Step 2: Convert to fraction form
27,698,362.74/38,228,487.12 = 16,102,652.40/x - Step 3: Cross multiply
27,698,362.74x = 38,228,487.12 × 16,102,652.40 - Step 4: Simplify right side
27,698,362.74x = 615,580,039,871,237 - Step 5: Solve for x
x = 615,580,039,871,237/27,698,362.74 - Step 6: Final answer
x = 22,224,419.75
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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.