Finding the Fourth Proportional to 23,579,851.12, 32,539,964.88 and 13,125,701.68
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Solution
The fourth proportional to 23,579,851.12, 32,539,964.88 and 13,125,701.68 is: 18,113,340.48
Step by Step Solution
- Step 1: Write the proportion equation
23,579,851.12 : 32,539,964.88 = 13,125,701.68 : x - Step 2: Convert to fraction form
23,579,851.12/32,539,964.88 = 13,125,701.68/x - Step 3: Cross multiply
23,579,851.12x = 32,539,964.88 × 13,125,701.68 - Step 4: Simplify right side
23,579,851.12x = 427,109,871,692,557 - Step 5: Solve for x
x = 427,109,871,692,557/23,579,851.12 - Step 6: Final answer
x = 18,113,340.48
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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.