Finding the Fourth Proportional to 13,118,095.92, 19,649,587.68 and 8,323,317.12
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Solution
The fourth proportional to 13,118,095.92, 19,649,587.68 and 8,323,317.12 is: 12,467,491.51
Step by Step Solution
- Step 1: Write the proportion equation
13,118,095.92 : 19,649,587.68 = 8,323,317.12 : x - Step 2: Convert to fraction form
13,118,095.92/19,649,587.68 = 8,323,317.12/x - Step 3: Cross multiply
13,118,095.92x = 19,649,587.68 × 8,323,317.12 - Step 4: Simplify right side
13,118,095.92x = 163,549,749,537,885.09 - Step 5: Solve for x
x = 163,549,749,537,885.09/13,118,095.92 - Step 6: Final answer
x = 12,467,491.51
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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.