Finding the Fourth Proportional to 16,363,779.36, 22,577,011.20 and 9,486,889.20
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Solution
The fourth proportional to 16,363,779.36, 22,577,011.20 and 9,486,889.20 is: 13,089,005.85
Step by Step Solution
- Step 1: Write the proportion equation
16,363,779.36 : 22,577,011.20 = 9,486,889.20 : x - Step 2: Convert to fraction form
16,363,779.36/22,577,011.20 = 9,486,889.20/x - Step 3: Cross multiply
16,363,779.36x = 22,577,011.20 × 9,486,889.20 - Step 4: Simplify right side
16,363,779.36x = 214,185,603,721,559.03 - Step 5: Solve for x
x = 214,185,603,721,559.03/16,363,779.36 - Step 6: Final answer
x = 13,089,005.85
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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.