Finding the Fourth Proportional to 26,478,055.80, 39,717,083.70 and 8,527,159.80
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Solution
The fourth proportional to 26,478,055.80, 39,717,083.70 and 8,527,159.80 is: 12,790,739.70
Step by Step Solution
- Step 1: Write the proportion equation
26,478,055.80 : 39,717,083.70 = 8,527,159.80 : x - Step 2: Convert to fraction form
26,478,055.80/39,717,083.70 = 8,527,159.80/x - Step 3: Cross multiply
26,478,055.80x = 39,717,083.70 × 8,527,159.80 - Step 4: Simplify right side
26,478,055.80x = 338,673,919,499,875.31 - Step 5: Solve for x
x = 338,673,919,499,875.31/26,478,055.80 - Step 6: Final answer
x = 12,790,739.70
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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.