Finding the Fourth Proportional to 13,058,007.36, 19,590,330.42 and 7,671,212.52
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Solution
The fourth proportional to 13,058,007.36, 19,590,330.42 and 7,671,212.52 is: 11,508,768.82
Step by Step Solution
- Step 1: Write the proportion equation
13,058,007.36 : 19,590,330.42 = 7,671,212.52 : x - Step 2: Convert to fraction form
13,058,007.36/19,590,330.42 = 7,671,212.52/x - Step 3: Cross multiply
13,058,007.36x = 19,590,330.42 × 7,671,212.52 - Step 4: Simplify right side
13,058,007.36x = 150,281,587,988,840.88 - Step 5: Solve for x
x = 150,281,587,988,840.88/13,058,007.36 - Step 6: Final answer
x = 11,508,768.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.