Finding the Fourth Proportional to 22,549,515.06, 31,117,899.15 and 12,759,781.08
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Solution
The fourth proportional to 22,549,515.06, 31,117,899.15 and 12,759,781.08 is: 17,608,253.65
Step by Step Solution
- Step 1: Write the proportion equation
22,549,515.06 : 31,117,899.15 = 12,759,781.08 : x - Step 2: Convert to fraction form
22,549,515.06/31,117,899.15 = 12,759,781.08/x - Step 3: Cross multiply
22,549,515.06x = 31,117,899.15 × 12,759,781.08 - Step 4: Simplify right side
22,549,515.06x = 397,057,580,823,518.06 - Step 5: Solve for x
x = 397,057,580,823,518.06/22,549,515.06 - Step 6: Final answer
x = 17,608,253.65
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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.