Finding the Fourth Proportional to 10,620,513.75, 14,654,997.92 and 6,698,788.58
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Solution
The fourth proportional to 10,620,513.75, 14,654,997.92 and 6,698,788.58 is: 9,243,501.31
Step by Step Solution
- Step 1: Write the proportion equation
10,620,513.75 : 14,654,997.92 = 6,698,788.58 : x - Step 2: Convert to fraction form
10,620,513.75/14,654,997.92 = 6,698,788.58/x - Step 3: Cross multiply
10,620,513.75x = 14,654,997.92 × 6,698,788.58 - Step 4: Simplify right side
10,620,513.75x = 98,170,732,759,804.20 - Step 5: Solve for x
x = 98,170,732,759,804.20/10,620,513.75 - Step 6: Final answer
x = 9,243,501.31
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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.