Finding the Fourth Proportional to 19,480,940.76, 26,883,729.74 and 10,779,480.12
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Solution
The fourth proportional to 19,480,940.76, 26,883,729.74 and 10,779,480.12 is: 14,875,699.99
Step by Step Solution
- Step 1: Write the proportion equation
19,480,940.76 : 26,883,729.74 = 10,779,480.12 : x - Step 2: Convert to fraction form
19,480,940.76/26,883,729.74 = 10,779,480.12/x - Step 3: Cross multiply
19,480,940.76x = 26,883,729.74 × 10,779,480.12 - Step 4: Simplify right side
19,480,940.76x = 289,792,630,283,782.75 - Step 5: Solve for x
x = 289,792,630,283,782.75/19,480,940.76 - Step 6: Final answer
x = 14,875,699.99
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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.