Finding the Fourth Proportional to 23,291,842.50, 32,142,312.12 and 12,695,323.68
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Solution
The fourth proportional to 23,291,842.50, 32,142,312.12 and 12,695,323.68 is: 17,519,312.02
Step by Step Solution
- Step 1: Write the proportion equation
23,291,842.50 : 32,142,312.12 = 12,695,323.68 : x - Step 2: Convert to fraction form
23,291,842.50/32,142,312.12 = 12,695,323.68/x - Step 3: Cross multiply
23,291,842.50x = 32,142,312.12 × 12,695,323.68 - Step 4: Simplify right side
23,291,842.50x = 408,057,056,186,987 - Step 5: Solve for x
x = 408,057,056,186,987/23,291,842.50 - Step 6: Final answer
x = 17,519,312.02
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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.