Finding the Fourth Proportional to 26,685,154.68, 40,030,971.14 and 7,515,911.76
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Solution
The fourth proportional to 26,685,154.68, 40,030,971.14 and 7,515,911.76 is: 11,274,779.94
Step by Step Solution
- Step 1: Write the proportion equation
26,685,154.68 : 40,030,971.14 = 7,515,911.76 : x - Step 2: Convert to fraction form
26,685,154.68/40,030,971.14 = 7,515,911.76/x - Step 3: Cross multiply
26,685,154.68x = 40,030,971.14 × 7,515,911.76 - Step 4: Simplify right side
26,685,154.68x = 300,869,246,755,346.62 - Step 5: Solve for x
x = 300,869,246,755,346.62/26,685,154.68 - Step 6: Final answer
x = 11,274,779.94
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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.