Finding the Fourth Proportional to 16,390,102.16, 22,617,748.18 and 9,047,777.71
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Solution
The fourth proportional to 16,390,102.16, 22,617,748.18 and 9,047,777.71 is: 12,485,606.00
Step by Step Solution
- Step 1: Write the proportion equation
16,390,102.16 : 22,617,748.18 = 9,047,777.71 : x - Step 2: Convert to fraction form
16,390,102.16/22,617,748.18 = 9,047,777.71/x - Step 3: Cross multiply
16,390,102.16x = 22,617,748.18 × 9,047,777.71 - Step 4: Simplify right side
16,390,102.16x = 204,640,357,833,397.09 - Step 5: Solve for x
x = 204,640,357,833,397.09/16,390,102.16 - Step 6: Final answer
x = 12,485,606.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.