Finding the Fourth Proportional to 31,539,877.99, 47,309,501.58 and 9,974,483.35
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Solution
The fourth proportional to 31,539,877.99, 47,309,501.58 and 9,974,483.35 is: 14,961,625.27
Step by Step Solution
- Step 1: Write the proportion equation
31,539,877.99 : 47,309,501.58 = 9,974,483.35 : x - Step 2: Convert to fraction form
31,539,877.99/47,309,501.58 = 9,974,483.35/x - Step 3: Cross multiply
31,539,877.99x = 47,309,501.58 × 9,974,483.35 - Step 4: Simplify right side
31,539,877.99x = 471,887,835,569,961.19 - Step 5: Solve for x
x = 471,887,835,569,961.19/31,539,877.99 - Step 6: Final answer
x = 14,961,625.27
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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.