Finding the Fourth Proportional to 9,671,420.98, 13,346,033.88 and 5,319,804.79
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Solution
The fourth proportional to 9,671,420.98, 13,346,033.88 and 5,319,804.79 is: 7,341,040.69
Step by Step Solution
- Step 1: Write the proportion equation
9,671,420.98 : 13,346,033.88 = 5,319,804.79 : x - Step 2: Convert to fraction form
9,671,420.98/13,346,033.88 = 5,319,804.79/x - Step 3: Cross multiply
9,671,420.98x = 13,346,033.88 × 5,319,804.79 - Step 4: Simplify right side
9,671,420.98x = 70,998,294,962,326.30 - Step 5: Solve for x
x = 70,998,294,962,326.30/9,671,420.98 - Step 6: Final answer
x = 7,341,040.69
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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.