Finding the Fourth Proportional to 27,563,615.14, 38,037,141.93 and 15,340,209.70
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Solution
The fourth proportional to 27,563,615.14, 38,037,141.93 and 15,340,209.70 is: 21,169,129.33
Step by Step Solution
- Step 1: Write the proportion equation
27,563,615.14 : 38,037,141.93 = 15,340,209.70 : x - Step 2: Convert to fraction form
27,563,615.14/38,037,141.93 = 15,340,209.70/x - Step 3: Cross multiply
27,563,615.14x = 38,037,141.93 × 15,340,209.70 - Step 4: Simplify right side
27,563,615.14x = 583,497,733,594,862.75 - Step 5: Solve for x
x = 583,497,733,594,862.75/27,563,615.14 - Step 6: Final answer
x = 21,169,129.33
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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.