Finding the Fourth Proportional to 13,057,541.92, 18,000,416.64 and 9,125,089.02
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Solution
The fourth proportional to 13,057,541.92, 18,000,416.64 and 9,125,089.02 is: 12,579,351.09
Step by Step Solution
- Step 1: Write the proportion equation
13,057,541.92 : 18,000,416.64 = 9,125,089.02 : x - Step 2: Convert to fraction form
13,057,541.92/18,000,416.64 = 9,125,089.02/x - Step 3: Cross multiply
13,057,541.92x = 18,000,416.64 × 9,125,089.02 - Step 4: Simplify right side
13,057,541.92x = 164,255,404,237,089.28 - Step 5: Solve for x
x = 164,255,404,237,089.28/13,057,541.92 - Step 6: Final answer
x = 12,579,351.09
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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.