Finding the Fourth Proportional to 40,979,595.20, 56,551,861.95 and 22,644,880.70
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Solution
The fourth proportional to 40,979,595.20, 56,551,861.95 and 22,644,880.70 is: 31,249,946.73
Step by Step Solution
- Step 1: Write the proportion equation
40,979,595.20 : 56,551,861.95 = 22,644,880.70 : x - Step 2: Convert to fraction form
40,979,595.20/56,551,861.95 = 22,644,880.70/x - Step 3: Cross multiply
40,979,595.20x = 56,551,861.95 × 22,644,880.70 - Step 4: Simplify right side
40,979,595.20x = 1,280,610,167,220,619.50 - Step 5: Solve for x
x = 1,280,610,167,220,619.50/40,979,595.20 - Step 6: Final answer
x = 31,249,946.73
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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.