Finding the Fourth Proportional to 26,630,671.18, 36,749,963.33 and 14,870,121.20
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Solution
The fourth proportional to 26,630,671.18, 36,749,963.33 and 14,870,121.20 is: 20,520,564.62
Step by Step Solution
- Step 1: Write the proportion equation
26,630,671.18 : 36,749,963.33 = 14,870,121.20 : x - Step 2: Convert to fraction form
26,630,671.18/36,749,963.33 = 14,870,121.20/x - Step 3: Cross multiply
26,630,671.18x = 36,749,963.33 × 14,870,121.20 - Step 4: Simplify right side
26,630,671.18x = 546,476,408,830,179.94 - Step 5: Solve for x
x = 546,476,408,830,179.94/26,630,671.18 - Step 6: Final answer
x = 20,520,564.62
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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.