Finding the Fourth Proportional to 7,671,176.36, 10,590,203.54 and 5,603,870.60
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Solution
The fourth proportional to 7,671,176.36, 10,590,203.54 and 5,603,870.60 is: 7,736,248.98
Step by Step Solution
- Step 1: Write the proportion equation
7,671,176.36 : 10,590,203.54 = 5,603,870.60 : x - Step 2: Convert to fraction form
7,671,176.36/10,590,203.54 = 5,603,870.60/x - Step 3: Cross multiply
7,671,176.36x = 10,590,203.54 × 5,603,870.60 - Step 4: Simplify right side
7,671,176.36x = 59,346,130,265,821.91 - Step 5: Solve for x
x = 59,346,130,265,821.91/7,671,176.36 - Step 6: Final answer
x = 7,736,248.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.