Finding the Fourth Proportional to 12,275,062.98, 18,417,903.21 and 6,588,643.74
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Solution
The fourth proportional to 12,275,062.98, 18,417,903.21 and 6,588,643.74 is: 9,885,815.08
Step by Step Solution
- Step 1: Write the proportion equation
12,275,062.98 : 18,417,903.21 = 6,588,643.74 : x - Step 2: Convert to fraction form
12,275,062.98/18,417,903.21 = 6,588,643.74/x - Step 3: Cross multiply
12,275,062.98x = 18,417,903.21 × 6,588,643.74 - Step 4: Simplify right side
12,275,062.98x = 121,349,002,688,492.42 - Step 5: Solve for x
x = 121,349,002,688,492.42/12,275,062.98 - Step 6: Final answer
x = 9,885,815.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.