Finding the Fourth Proportional to 11,823,746.31, 16,316,762.67 and 6,391,238.31
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Solution
The fourth proportional to 11,823,746.31, 16,316,762.67 and 6,391,238.31 is: 8,819,904.96
Step by Step Solution
- Step 1: Write the proportion equation
11,823,746.31 : 16,316,762.67 = 6,391,238.31 : x - Step 2: Convert to fraction form
11,823,746.31/16,316,762.67 = 6,391,238.31/x - Step 3: Cross multiply
11,823,746.31x = 16,316,762.67 × 6,391,238.31 - Step 4: Simplify right side
11,823,746.31x = 104,284,318,671,681.88 - Step 5: Solve for x
x = 104,284,318,671,681.88/11,823,746.31 - Step 6: Final answer
x = 8,819,904.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.