Finding the Fourth Proportional to 26,685,214.47, 40,031,060.62 and 7,515,971.55
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Solution
The fourth proportional to 26,685,214.47, 40,031,060.62 and 7,515,971.55 is: 11,274,869.57
Step by Step Solution
- Step 1: Write the proportion equation
26,685,214.47 : 40,031,060.62 = 7,515,971.55 : x - Step 2: Convert to fraction form
26,685,214.47/40,031,060.62 = 7,515,971.55/x - Step 3: Cross multiply
26,685,214.47x = 40,031,060.62 × 7,515,971.55 - Step 4: Simplify right side
26,685,214.47x = 300,872,312,717,455.44 - Step 5: Solve for x
x = 300,872,312,717,455.44/26,685,214.47 - Step 6: Final answer
x = 11,274,869.57
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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.