Finding the Fourth Proportional to 27,120,478.19, 37,426,534.58 and 14,730,813.56
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Solution
The fourth proportional to 27,120,478.19, 37,426,534.58 and 14,730,813.56 is: 20,328,671.92
Step by Step Solution
- Step 1: Write the proportion equation
27,120,478.19 : 37,426,534.58 = 14,730,813.56 : x - Step 2: Convert to fraction form
27,120,478.19/37,426,534.58 = 14,730,813.56/x - Step 3: Cross multiply
27,120,478.19x = 37,426,534.58 × 14,730,813.56 - Step 4: Simplify right side
27,120,478.19x = 551,323,303,225,266.31 - Step 5: Solve for x
x = 551,323,303,225,266.31/27,120,478.19 - Step 6: Final answer
x = 20,328,671.92
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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.