Finding the Fourth Proportional to 7,762,278.51, 11,588,839.47 and 5,931,059.67
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Solution
The fourth proportional to 7,762,278.51, 11,588,839.47 and 5,931,059.67 is: 8,854,886.91
Step by Step Solution
- Step 1: Write the proportion equation
7,762,278.51 : 11,588,839.47 = 5,931,059.67 : x - Step 2: Convert to fraction form
7,762,278.51/11,588,839.47 = 5,931,059.67/x - Step 3: Cross multiply
7,762,278.51x = 11,588,839.47 × 5,931,059.67 - Step 4: Simplify right side
7,762,278.51x = 68,734,098,402,621.18 - Step 5: Solve for x
x = 68,734,098,402,621.18/7,762,278.51 - Step 6: Final answer
x = 8,854,886.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.