Finding the Fourth Proportional to 56,725,587.70, 78,281,473.16 and 32,887,847.48
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Solution
The fourth proportional to 56,725,587.70, 78,281,473.16 and 32,887,847.48 is: 45,385,323.52
Step by Step Solution
- Step 1: Write the proportion equation
56,725,587.70 : 78,281,473.16 = 32,887,847.48 : x - Step 2: Convert to fraction form
56,725,587.70/78,281,473.16 = 32,887,847.48/x - Step 3: Cross multiply
56,725,587.70x = 78,281,473.16 × 32,887,847.48 - Step 4: Simplify right side
56,725,587.70x = 2,574,509,149,301,612 - Step 5: Solve for x
x = 2,574,509,149,301,612/56,725,587.70 - Step 6: Final answer
x = 45,385,323.52
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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.