Finding the Fourth Proportional to 51,221,860.28, 76,827,130.68 and 12,883,389.02
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Solution
The fourth proportional to 51,221,860.28, 76,827,130.68 and 12,883,389.02 is: 19,323,659.98
Step by Step Solution
- Step 1: Write the proportion equation
51,221,860.28 : 76,827,130.68 = 12,883,389.02 : x - Step 2: Convert to fraction form
51,221,860.28/76,827,130.68 = 12,883,389.02/x - Step 3: Cross multiply
51,221,860.28x = 76,827,130.68 × 12,883,389.02 - Step 4: Simplify right side
51,221,860.28x = 989,793,811,840,817.25 - Step 5: Solve for x
x = 989,793,811,840,817.25/51,221,860.28 - Step 6: Final answer
x = 19,323,659.98
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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.