Finding the Fourth Proportional to 23,753,325.20, 32,779,969.80 and 12,888,309.20
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Solution
The fourth proportional to 23,753,325.20, 32,779,969.80 and 12,888,309.20 is: 17,786,073.44
Step by Step Solution
- Step 1: Write the proportion equation
23,753,325.20 : 32,779,969.80 = 12,888,309.20 : x - Step 2: Convert to fraction form
23,753,325.20/32,779,969.80 = 12,888,309.20/x - Step 3: Cross multiply
23,753,325.20x = 32,779,969.80 × 12,888,309.20 - Step 4: Simplify right side
23,753,325.20x = 422,478,386,349,062.12 - Step 5: Solve for x
x = 422,478,386,349,062.12/23,753,325.20 - Step 6: Final answer
x = 17,786,073.44
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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.