Finding the Fourth Proportional to 12,130,259.22, 16,739,838.79 and 6,623,672.52
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Solution
The fourth proportional to 12,130,259.22, 16,739,838.79 and 6,623,672.52 is: 9,140,712.34
Step by Step Solution
- Step 1: Write the proportion equation
12,130,259.22 : 16,739,838.79 = 6,623,672.52 : x - Step 2: Convert to fraction form
12,130,259.22/16,739,838.79 = 6,623,672.52/x - Step 3: Cross multiply
12,130,259.22x = 16,739,838.79 × 6,623,672.52 - Step 4: Simplify right side
12,130,259.22x = 110,879,210,182,553.03 - Step 5: Solve for x
x = 110,879,210,182,553.03/12,130,259.22 - Step 6: Final answer
x = 9,140,712.34
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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.