Finding the Fourth Proportional to 19,243,878.68, 26,546,485.38 and 11,899,363.52
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Solution
The fourth proportional to 19,243,878.68, 26,546,485.38 and 11,899,363.52 is: 16,414,896.65
Step by Step Solution
- Step 1: Write the proportion equation
19,243,878.68 : 26,546,485.38 = 11,899,363.52 : x - Step 2: Convert to fraction form
19,243,878.68/26,546,485.38 = 11,899,363.52/x - Step 3: Cross multiply
19,243,878.68x = 26,546,485.38 × 11,899,363.52 - Step 4: Simplify right side
19,243,878.68x = 315,886,279,714,985.31 - Step 5: Solve for x
x = 315,886,279,714,985.31/19,243,878.68 - Step 6: Final answer
x = 16,414,896.65
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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.