Finding the Fourth Proportional to 19,442,088.36, 26,830,306.26 and 10,740,078.72
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Solution
The fourth proportional to 19,442,088.36, 26,830,306.26 and 10,740,078.72 is: 14,821,432.55
Step by Step Solution
- Step 1: Write the proportion equation
19,442,088.36 : 26,830,306.26 = 10,740,078.72 : x - Step 2: Convert to fraction form
19,442,088.36/26,830,306.26 = 10,740,078.72/x - Step 3: Cross multiply
19,442,088.36x = 26,830,306.26 × 10,740,078.72 - Step 4: Simplify right side
19,442,088.36x = 288,159,601,314,108.81 - Step 5: Solve for x
x = 288,159,601,314,108.81/19,442,088.36 - Step 6: Final answer
x = 14,821,432.55
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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.