Finding the Fourth Proportional to 26,752,201.40, 40,128,302.10 and 19,249,916.60
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Solution
The fourth proportional to 26,752,201.40, 40,128,302.10 and 19,249,916.60 is: 28,874,874.90
Step by Step Solution
- Step 1: Write the proportion equation
26,752,201.40 : 40,128,302.10 = 19,249,916.60 : x - Step 2: Convert to fraction form
26,752,201.40/40,128,302.10 = 19,249,916.60/x - Step 3: Cross multiply
26,752,201.40x = 40,128,302.10 × 19,249,916.60 - Step 4: Simplify right side
26,752,201.40x = 772,466,468,724,605 - Step 5: Solve for x
x = 772,466,468,724,605/26,752,201.40 - Step 6: Final answer
x = 28,874,874.90
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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.