Finding the Fourth Proportional to 51,263,905.31, 76,896,057.46 and 12,402,294.95
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Solution
The fourth proportional to 51,263,905.31, 76,896,057.46 and 12,402,294.95 is: 18,603,490.68
Step by Step Solution
- Step 1: Write the proportion equation
51,263,905.31 : 76,896,057.46 = 12,402,294.95 : x - Step 2: Convert to fraction form
51,263,905.31/76,896,057.46 = 12,402,294.95/x - Step 3: Cross multiply
51,263,905.31x = 76,896,057.46 × 12,402,294.95 - Step 4: Simplify right side
51,263,905.31x = 953,687,584,695,581.75 - Step 5: Solve for x
x = 953,687,584,695,581.75/51,263,905.31 - Step 6: Final answer
x = 18,603,490.68
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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.