Finding the Fourth Proportional to 48,417,875.28, 72,583,812.20 and 18,867,223.49
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Solution
The fourth proportional to 48,417,875.28, 72,583,812.20 and 18,867,223.49 is: 28,284,078.94
Step by Step Solution
- Step 1: Write the proportion equation
48,417,875.28 : 72,583,812.20 = 18,867,223.49 : x - Step 2: Convert to fraction form
48,417,875.28/72,583,812.20 = 18,867,223.49/x - Step 3: Cross multiply
48,417,875.28x = 72,583,812.20 × 18,867,223.49 - Step 4: Simplify right side
48,417,875.28x = 1,369,455,006,533,588.50 - Step 5: Solve for x
x = 1,369,455,006,533,588.50/48,417,875.28 - Step 6: Final answer
x = 28,284,078.94
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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.