Finding the Fourth Proportional to 21,656,670.40, 29,875,027.02 and 14,684,989.36
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Solution
The fourth proportional to 21,656,670.40, 29,875,027.02 and 14,684,989.36 is: 20,257,705.63
Step by Step Solution
- Step 1: Write the proportion equation
21,656,670.40 : 29,875,027.02 = 14,684,989.36 : x - Step 2: Convert to fraction form
21,656,670.40/29,875,027.02 = 14,684,989.36/x - Step 3: Cross multiply
21,656,670.40x = 29,875,027.02 × 14,684,989.36 - Step 4: Simplify right side
21,656,670.40x = 438,714,453,918,412.50 - Step 5: Solve for x
x = 438,714,453,918,412.50/21,656,670.40 - Step 6: Final answer
x = 20,257,705.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.