Finding the Fourth Proportional to 28,353,390, 39,127,875.03 and 16,130,247
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Solution
The fourth proportional to 28,353,390, 39,127,875.03 and 16,130,247 is: 22,259,852.84
Step by Step Solution
- Step 1: Write the proportion equation
28,353,390 : 39,127,875.03 = 16,130,247 : x - Step 2: Convert to fraction form
28,353,390/39,127,875.03 = 16,130,247/x - Step 3: Cross multiply
28,353,390x = 39,127,875.03 × 16,130,247 - Step 4: Simplify right side
28,353,390x = 631,142,288,819,032.38 - Step 5: Solve for x
x = 631,142,288,819,032.38/28,353,390 - Step 6: Final answer
x = 22,259,852.84
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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.