Finding the Fourth Proportional to 14,115,413.98, 21,174,132.99 and 5,909,798.89
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Solution
The fourth proportional to 14,115,413.98, 21,174,132.99 and 5,909,798.89 is: 8,865,122.04
Step by Step Solution
- Step 1: Write the proportion equation
14,115,413.98 : 21,174,132.99 = 5,909,798.89 : x - Step 2: Convert to fraction form
14,115,413.98/21,174,132.99 = 5,909,798.89/x - Step 3: Cross multiply
14,115,413.98x = 21,174,132.99 × 5,909,798.89 - Step 4: Simplify right side
14,115,413.98x = 125,134,867,535,143.70 - Step 5: Solve for x
x = 125,134,867,535,143.70/14,115,413.98 - Step 6: Final answer
x = 8,865,122.04
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1.5x scale
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.