Finding the Fourth Proportional to 23,208,291.96, 32,001,615.18 and 15,867,315.96
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Solution
The fourth proportional to 23,208,291.96, 32,001,615.18 and 15,867,315.96 is: 21,879,237.82
Step by Step Solution
- Step 1: Write the proportion equation
23,208,291.96 : 32,001,615.18 = 15,867,315.96 : x - Step 2: Convert to fraction form
23,208,291.96/32,001,615.18 = 15,867,315.96/x - Step 3: Cross multiply
23,208,291.96x = 32,001,615.18 × 15,867,315.96 - Step 4: Simplify right side
23,208,291.96x = 507,779,739,291,392.31 - Step 5: Solve for x
x = 507,779,739,291,392.31/23,208,291.96 - Step 6: Final answer
x = 21,879,237.82
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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.