Finding the Fourth Proportional to 12,161,860.03, 16,783,368.16 and 6,655,236.05
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Solution
The fourth proportional to 12,161,860.03, 16,783,368.16 and 6,655,236.05 is: 9,184,226.47
Step by Step Solution
- Step 1: Write the proportion equation
12,161,860.03 : 16,783,368.16 = 6,655,236.05 : x - Step 2: Convert to fraction form
12,161,860.03/16,783,368.16 = 6,655,236.05/x - Step 3: Cross multiply
12,161,860.03x = 16,783,368.16 × 6,655,236.05 - Step 4: Simplify right side
12,161,860.03x = 111,697,276,818,854.17 - Step 5: Solve for x
x = 111,697,276,818,854.17/12,161,860.03 - Step 6: Final answer
x = 9,184,226.47
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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.