Finding the Fourth Proportional to 26,879,655.80, 40,319,483.70 and 13,442,727.80
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Solution
The fourth proportional to 26,879,655.80, 40,319,483.70 and 13,442,727.80 is: 20,164,091.70
Step by Step Solution
- Step 1: Write the proportion equation
26,879,655.80 : 40,319,483.70 = 13,442,727.80 : x - Step 2: Convert to fraction form
26,879,655.80/40,319,483.70 = 13,442,727.80/x - Step 3: Cross multiply
26,879,655.80x = 40,319,483.70 × 13,442,727.80 - Step 4: Simplify right side
26,879,655.80x = 542,003,844,415,636.94 - Step 5: Solve for x
x = 542,003,844,415,636.94/26,879,655.80 - Step 6: Final answer
x = 20,164,091.70
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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.