Finding the Fourth Proportional to 27,779,088.40, 38,331,506.58 and 16,018,791.13
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Solution
The fourth proportional to 27,779,088.40, 38,331,506.58 and 16,018,791.13 is: 22,103,835.40
Step by Step Solution
- Step 1: Write the proportion equation
27,779,088.40 : 38,331,506.58 = 16,018,791.13 : x - Step 2: Convert to fraction form
27,779,088.40/38,331,506.58 = 16,018,791.13/x - Step 3: Cross multiply
27,779,088.40x = 38,331,506.58 × 16,018,791.13 - Step 4: Simplify right side
27,779,088.40x = 614,024,397,331,489.25 - Step 5: Solve for x
x = 614,024,397,331,489.25/27,779,088.40 - Step 6: Final answer
x = 22,103,835.40
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1.5x scale
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.