Finding the Fourth Proportional to 51,281,982.24, 70,766,332.36 and 28,072,619.68
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Solution
The fourth proportional to 51,281,982.24, 70,766,332.36 and 28,072,619.68 is: 38,738,680.68
Step by Step Solution
- Step 1: Write the proportion equation
51,281,982.24 : 70,766,332.36 = 28,072,619.68 : x - Step 2: Convert to fraction form
51,281,982.24/70,766,332.36 = 28,072,619.68/x - Step 3: Cross multiply
51,281,982.24x = 70,766,332.36 × 28,072,619.68 - Step 4: Simplify right side
51,281,982.24x = 1,986,596,334,490,756.75 - Step 5: Solve for x
x = 1,986,596,334,490,756.75/51,281,982.24 - Step 6: Final answer
x = 38,738,680.68
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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.