Finding the Fourth Proportional to 17,497,799.60, 26,246,699.40 and 13,246,271.60
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Solution
The fourth proportional to 17,497,799.60, 26,246,699.40 and 13,246,271.60 is: 19,869,407.40
Step by Step Solution
- Step 1: Write the proportion equation
17,497,799.60 : 26,246,699.40 = 13,246,271.60 : x - Step 2: Convert to fraction form
17,497,799.60/26,246,699.40 = 13,246,271.60/x - Step 3: Cross multiply
17,497,799.60x = 26,246,699.40 × 13,246,271.60 - Step 4: Simplify right side
17,497,799.60x = 347,670,908,855,957 - Step 5: Solve for x
x = 347,670,908,855,957/17,497,799.60 - Step 6: Final answer
x = 19,869,407.40
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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.