Finding the Fourth Proportional to 26,921,756.64, 40,318,275.60 and 15,527,661.60
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Solution
The fourth proportional to 26,921,756.64, 40,318,275.60 and 15,527,661.60 is: 23,254,371.85
Step by Step Solution
- Step 1: Write the proportion equation
26,921,756.64 : 40,318,275.60 = 15,527,661.60 : x - Step 2: Convert to fraction form
26,921,756.64/40,318,275.60 = 15,527,661.60/x - Step 3: Cross multiply
26,921,756.64x = 40,318,275.60 × 15,527,661.60 - Step 4: Simplify right side
26,921,756.64x = 626,048,539,812,337 - Step 5: Solve for x
x = 626,048,539,812,337/26,921,756.64 - Step 6: Final answer
x = 23,254,371.85
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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.