Finding the Fourth Proportional to 28,471,497.84, 42,714,529.47 and 8,276,739.84
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Solution
The fourth proportional to 28,471,497.84, 42,714,529.47 and 8,276,739.84 is: 12,417,226.86
Step by Step Solution
- Step 1: Write the proportion equation
28,471,497.84 : 42,714,529.47 = 8,276,739.84 : x - Step 2: Convert to fraction form
28,471,497.84/42,714,529.47 = 8,276,739.84/x - Step 3: Cross multiply
28,471,497.84x = 42,714,529.47 × 8,276,739.84 - Step 4: Simplify right side
28,471,497.84x = 353,537,047,811,203.06 - Step 5: Solve for x
x = 353,537,047,811,203.06/28,471,497.84 - Step 6: Final answer
x = 12,417,226.86
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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.