Finding the Fourth Proportional to 31,572,352.38, 47,363,017.83 and 9,714,543.99
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Solution
The fourth proportional to 31,572,352.38, 47,363,017.83 and 9,714,543.99 is: 14,573,197.29
Step by Step Solution
- Step 1: Write the proportion equation
31,572,352.38 : 47,363,017.83 = 9,714,543.99 : x - Step 2: Convert to fraction form
31,572,352.38/47,363,017.83 = 9,714,543.99/x - Step 3: Cross multiply
31,572,352.38x = 47,363,017.83 × 9,714,543.99 - Step 4: Simplify right side
31,572,352.38x = 460,110,120,208,689.31 - Step 5: Solve for x
x = 460,110,120,208,689.31/31,572,352.38 - Step 6: Final answer
x = 14,573,197.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.