Finding the Fourth Proportional to 14,271,828.63, 19,695,133.64 and 7,745,456.53
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Solution
The fourth proportional to 14,271,828.63, 19,695,133.64 and 7,745,456.53 is: 10,688,735.51
Step by Step Solution
- Step 1: Write the proportion equation
14,271,828.63 : 19,695,133.64 = 7,745,456.53 : x - Step 2: Convert to fraction form
14,271,828.63/19,695,133.64 = 7,745,456.53/x - Step 3: Cross multiply
14,271,828.63x = 19,695,133.64 × 7,745,456.53 - Step 4: Simplify right side
14,271,828.63x = 152,547,801,461,160.69 - Step 5: Solve for x
x = 152,547,801,461,160.69/14,271,828.63 - Step 6: Final answer
x = 10,688,735.51
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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.