Finding the Fourth Proportional to 28,871,319.48, 39,840,898.08 and 16,480,920.84
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Solution
The fourth proportional to 28,871,319.48, 39,840,898.08 and 16,480,920.84 is: 22,742,801.48
Step by Step Solution
- Step 1: Write the proportion equation
28,871,319.48 : 39,840,898.08 = 16,480,920.84 : x - Step 2: Convert to fraction form
28,871,319.48/39,840,898.08 = 16,480,920.84/x - Step 3: Cross multiply
28,871,319.48x = 39,840,898.08 × 16,480,920.84 - Step 4: Simplify right side
28,871,319.48x = 656,614,687,450,988 - Step 5: Solve for x
x = 656,614,687,450,988/28,871,319.48 - Step 6: Final answer
x = 22,742,801.48
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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.