Finding the Fourth Proportional to 36,415,246.80, 54,643,865.40 and 13,712,437.20
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Solution
The fourth proportional to 36,415,246.80, 54,643,865.40 and 13,712,437.20 is: 20,576,561.70
Step by Step Solution
- Step 1: Write the proportion equation
36,415,246.80 : 54,643,865.40 = 13,712,437.20 : x - Step 2: Convert to fraction form
36,415,246.80/54,643,865.40 = 13,712,437.20/x - Step 3: Cross multiply
36,415,246.80x = 54,643,865.40 × 13,712,437.20 - Step 4: Simplify right side
36,415,246.80x = 749,300,572,662,752.88 - Step 5: Solve for x
x = 749,300,572,662,752.88/36,415,246.80 - Step 6: Final answer
x = 20,576,561.70
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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.