Finding the Fourth Proportional to 19,936,334.44, 29,909,545.40 and 5,559,403.74
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Solution
The fourth proportional to 19,936,334.44, 29,909,545.40 and 5,559,403.74 is: 8,340,512.10
Step by Step Solution
- Step 1: Write the proportion equation
19,936,334.44 : 29,909,545.40 = 5,559,403.74 : x - Step 2: Convert to fraction form
19,936,334.44/29,909,545.40 = 5,559,403.74/x - Step 3: Cross multiply
19,936,334.44x = 29,909,545.40 × 5,559,403.74 - Step 4: Simplify right side
19,936,334.44x = 166,279,238,558,459.78 - Step 5: Solve for x
x = 166,279,238,558,459.78/19,936,334.44 - Step 6: Final answer
x = 8,340,512.10
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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.