Finding the Fourth Proportional to 26,518,534.86, 39,703,895.64 and 13,536,759.84
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Solution
The fourth proportional to 26,518,534.86, 39,703,895.64 and 13,536,759.84 is: 20,267,413.07
Step by Step Solution
- Step 1: Write the proportion equation
26,518,534.86 : 39,703,895.64 = 13,536,759.84 : x - Step 2: Convert to fraction form
26,518,534.86/39,703,895.64 = 13,536,759.84/x - Step 3: Cross multiply
26,518,534.86x = 39,703,895.64 × 13,536,759.84 - Step 4: Simplify right side
26,518,534.86x = 537,462,099,991,103.12 - Step 5: Solve for x
x = 537,462,099,991,103.12/26,518,534.86 - Step 6: Final answer
x = 20,267,413.07
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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.