Finding the Fourth Proportional to 9,999,349.60, 13,799,033.76 and 5,415,566.08
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Solution
The fourth proportional to 9,999,349.60, 13,799,033.76 and 5,415,566.08 is: 7,473,443.99
Step by Step Solution
- Step 1: Write the proportion equation
9,999,349.60 : 13,799,033.76 = 5,415,566.08 : x - Step 2: Convert to fraction form
9,999,349.60/13,799,033.76 = 5,415,566.08/x - Step 3: Cross multiply
9,999,349.60x = 13,799,033.76 × 5,415,566.08 - Step 4: Simplify right side
9,999,349.60x = 74,729,579,167,430.86 - Step 5: Solve for x
x = 74,729,579,167,430.86/9,999,349.60 - Step 6: Final answer
x = 7,473,443.99
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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.