Finding the Fourth Proportional to 14,375,595.78, 19,838,197.08 and 7,849,194.12
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Solution
The fourth proportional to 14,375,595.78, 19,838,197.08 and 7,849,194.12 is: 10,831,819.58
Step by Step Solution
- Step 1: Write the proportion equation
14,375,595.78 : 19,838,197.08 = 7,849,194.12 : x - Step 2: Convert to fraction form
14,375,595.78/19,838,197.08 = 7,849,194.12/x - Step 3: Cross multiply
14,375,595.78x = 19,838,197.08 × 7,849,194.12 - Step 4: Simplify right side
14,375,595.78x = 155,713,859,871,737.16 - Step 5: Solve for x
x = 155,713,859,871,737.16/14,375,595.78 - Step 6: Final answer
x = 10,831,819.58
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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.