Finding the Fourth Proportional to 27,427,420.70, 37,850,209.00 and 15,037,484.12
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Solution
The fourth proportional to 27,427,420.70, 37,850,209.00 and 15,037,484.12 is: 20,751,930.09
Step by Step Solution
- Step 1: Write the proportion equation
27,427,420.70 : 37,850,209.00 = 15,037,484.12 : x - Step 2: Convert to fraction form
27,427,420.70/37,850,209.00 = 15,037,484.12/x - Step 3: Cross multiply
27,427,420.70x = 37,850,209.00 × 15,037,484.12 - Step 4: Simplify right side
27,427,420.70x = 569,171,916,833,213 - Step 5: Solve for x
x = 569,171,916,833,213/27,427,420.70 - Step 6: Final answer
x = 20,751,930.09
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1.5x scale
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.