Finding the Fourth Proportional to 19,936,271.40, 29,918,403.90 and 8,584,866.60
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Solution
The fourth proportional to 19,936,271.40, 29,918,403.90 and 8,584,866.60 is: 12,883,327.14
Step by Step Solution
- Step 1: Write the proportion equation
19,936,271.40 : 29,918,403.90 = 8,584,866.60 : x - Step 2: Convert to fraction form
19,936,271.40/29,918,403.90 = 8,584,866.60/x - Step 3: Cross multiply
19,936,271.40x = 29,918,403.90 × 8,584,866.60 - Step 4: Simplify right side
19,936,271.40x = 256,845,506,366,419.72 - Step 5: Solve for x
x = 256,845,506,366,419.72/19,936,271.40 - Step 6: Final answer
x = 12,883,327.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.