Finding the Fourth Proportional to 28,457,228.63, 42,685,700.18 and 6,891,829.74
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Solution
The fourth proportional to 28,457,228.63, 42,685,700.18 and 6,891,829.74 is: 10,337,710.03
Step by Step Solution
- Step 1: Write the proportion equation
28,457,228.63 : 42,685,700.18 = 6,891,829.74 : x - Step 2: Convert to fraction form
28,457,228.63/42,685,700.18 = 6,891,829.74/x - Step 3: Cross multiply
28,457,228.63x = 42,685,700.18 × 6,891,829.74 - Step 4: Simplify right side
28,457,228.63x = 294,182,577,973,247.38 - Step 5: Solve for x
x = 294,182,577,973,247.38/28,457,228.63 - Step 6: Final answer
x = 10,337,710.03
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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.