Finding the Fourth Proportional to 19,336,430.88, 26,684,453.34 and 10,515,966.03
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Solution
The fourth proportional to 19,336,430.88, 26,684,453.34 and 10,515,966.03 is: 14,512,130.32
Step by Step Solution
- Step 1: Write the proportion equation
19,336,430.88 : 26,684,453.34 = 10,515,966.03 : x - Step 2: Convert to fraction form
19,336,430.88/26,684,453.34 = 10,515,966.03/x - Step 3: Cross multiply
19,336,430.88x = 26,684,453.34 × 10,515,966.03 - Step 4: Simplify right side
19,336,430.88x = 280,612,804,852,560.03 - Step 5: Solve for x
x = 280,612,804,852,560.03/19,336,430.88 - Step 6: Final answer
x = 14,512,130.32
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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.