Finding the Fourth Proportional to 28,417,029.12, 42,614,961.84 and 10,216,257.84
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Solution
The fourth proportional to 28,417,029.12, 42,614,961.84 and 10,216,257.84 is: 15,320,582.46
Step by Step Solution
- Step 1: Write the proportion equation
28,417,029.12 : 42,614,961.84 = 10,216,257.84 : x - Step 2: Convert to fraction form
28,417,029.12/42,614,961.84 = 10,216,257.84/x - Step 3: Cross multiply
28,417,029.12x = 42,614,961.84 × 10,216,257.84 - Step 4: Simplify right side
28,417,029.12x = 435,365,437,999,200.88 - Step 5: Solve for x
x = 435,365,437,999,200.88/28,417,029.12 - Step 6: Final answer
x = 15,320,582.46
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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.