Finding the Fourth Proportional to 47,348,260.87, 71,025,146.85 and 13,272,263.95
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Solution
The fourth proportional to 47,348,260.87, 71,025,146.85 and 13,272,263.95 is: 19,909,168.33
Step by Step Solution
- Step 1: Write the proportion equation
47,348,260.87 : 71,025,146.85 = 13,272,263.95 : x - Step 2: Convert to fraction form
47,348,260.87/71,025,146.85 = 13,272,263.95/x - Step 3: Cross multiply
47,348,260.87x = 71,025,146.85 × 13,272,263.95 - Step 4: Simplify right side
47,348,260.87x = 942,664,495,952,919.25 - Step 5: Solve for x
x = 942,664,495,952,919.25/47,348,260.87 - Step 6: Final answer
x = 19,909,168.33
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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.