Finding the Fourth Proportional to 19,801,407.18, 27,331,637.01 and 11,959,673.85
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Solution
The fourth proportional to 19,801,407.18, 27,331,637.01 and 11,959,673.85 is: 16,507,789.65
Step by Step Solution
- Step 1: Write the proportion equation
19,801,407.18 : 27,331,637.01 = 11,959,673.85 : x - Step 2: Convert to fraction form
19,801,407.18/27,331,637.01 = 11,959,673.85/x - Step 3: Cross multiply
19,801,407.18x = 27,331,637.01 × 11,959,673.85 - Step 4: Simplify right side
19,801,407.18x = 326,877,464,426,189.19 - Step 5: Solve for x
x = 326,877,464,426,189.19/19,801,407.18 - Step 6: Final answer
x = 16,507,789.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.