Finding the Fourth Proportional to 26,644,622.09, 39,968,386.61 and 8,447,501.21
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Solution
The fourth proportional to 26,644,622.09, 39,968,386.61 and 8,447,501.21 is: 12,671,712.62
Step by Step Solution
- Step 1: Write the proportion equation
26,644,622.09 : 39,968,386.61 = 8,447,501.21 : x - Step 2: Convert to fraction form
26,644,622.09/39,968,386.61 = 8,447,501.21/x - Step 3: Cross multiply
26,644,622.09x = 39,968,386.61 × 8,447,501.21 - Step 4: Simplify right side
26,644,622.09x = 337,632,994,007,643.31 - Step 5: Solve for x
x = 337,632,994,007,643.31/26,644,622.09 - Step 6: Final answer
x = 12,671,712.62
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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.