Finding the Fourth Proportional to 21,549,120.35, 32,335,030.71 and 12,457,602.99
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Solution
The fourth proportional to 21,549,120.35, 32,335,030.71 and 12,457,602.99 is: 18,692,966.06
Step by Step Solution
- Step 1: Write the proportion equation
21,549,120.35 : 32,335,030.71 = 12,457,602.99 : x - Step 2: Convert to fraction form
21,549,120.35/32,335,030.71 = 12,457,602.99/x - Step 3: Cross multiply
21,549,120.35x = 32,335,030.71 × 12,457,602.99 - Step 4: Simplify right side
21,549,120.35x = 402,816,975,345,563.94 - Step 5: Solve for x
x = 402,816,975,345,563.94/21,549,120.35 - Step 6: Final answer
x = 18,692,966.06
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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.