Finding the Fourth Proportional to 16,391,305.45, 22,622,962.53 and 9,776,318.68
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Solution
The fourth proportional to 16,391,305.45, 22,622,962.53 and 9,776,318.68 is: 13,493,085.82
Step by Step Solution
- Step 1: Write the proportion equation
16,391,305.45 : 22,622,962.53 = 9,776,318.68 : x - Step 2: Convert to fraction form
16,391,305.45/22,622,962.53 = 9,776,318.68/x - Step 3: Cross multiply
16,391,305.45x = 22,622,962.53 × 9,776,318.68 - Step 4: Simplify right side
16,391,305.45x = 221,169,291,178,979.06 - Step 5: Solve for x
x = 221,169,291,178,979.06/16,391,305.45 - Step 6: Final answer
x = 13,493,085.82
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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.