Finding the Fourth Proportional to 9,677,953.98, 13,355,068.19 and 5,326,208.53
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Solution
The fourth proportional to 9,677,953.98, 13,355,068.19 and 5,326,208.53 is: 7,349,888.02
Step by Step Solution
- Step 1: Write the proportion equation
9,677,953.98 : 13,355,068.19 = 5,326,208.53 : x - Step 2: Convert to fraction form
9,677,953.98/13,355,068.19 = 5,326,208.53/x - Step 3: Cross multiply
9,677,953.98x = 13,355,068.19 × 5,326,208.53 - Step 4: Simplify right side
9,677,953.98x = 71,131,878,052,290.95 - Step 5: Solve for x
x = 71,131,878,052,290.95/9,677,953.98 - Step 6: Final answer
x = 7,349,888.02
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1.5x scale
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.