Finding the Fourth Proportional to 22,127,929.98, 33,172,962.93 and 8,490,862.68
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Solution
The fourth proportional to 22,127,929.98, 33,172,962.93 and 8,490,862.68 is: 12,729,029.47
Step by Step Solution
- Step 1: Write the proportion equation
22,127,929.98 : 33,172,962.93 = 8,490,862.68 : x - Step 2: Convert to fraction form
22,127,929.98/33,172,962.93 = 8,490,862.68/x - Step 3: Cross multiply
22,127,929.98x = 33,172,962.93 × 8,490,862.68 - Step 4: Simplify right side
22,127,929.98x = 281,667,072,927,360.44 - Step 5: Solve for x
x = 281,667,072,927,360.44/22,127,929.98 - Step 6: Final answer
x = 12,729,029.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.