Finding the Fourth Proportional to 46,628,421.12, 64,347,639.84 and 25,721,254.08
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Solution
The fourth proportional to 46,628,421.12, 64,347,639.84 and 25,721,254.08 is: 35,495,561.59
Step by Step Solution
- Step 1: Write the proportion equation
46,628,421.12 : 64,347,639.84 = 25,721,254.08 : x - Step 2: Convert to fraction form
46,628,421.12/64,347,639.84 = 25,721,254.08/x - Step 3: Cross multiply
46,628,421.12x = 64,347,639.84 × 25,721,254.08 - Step 4: Simplify right side
46,628,421.12x = 1,655,101,993,772,970.50 - Step 5: Solve for x
x = 1,655,101,993,772,970.50/46,628,421.12 - Step 6: Final answer
x = 35,495,561.59
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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.