Finding the Fourth Proportional to 38,963,214.72, 53,765,574.40 and 26,378,670.08
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Solution
The fourth proportional to 38,963,214.72, 53,765,574.40 and 26,378,670.08 is: 36,400,085.54
Step by Step Solution
- Step 1: Write the proportion equation
38,963,214.72 : 53,765,574.40 = 26,378,670.08 : x - Step 2: Convert to fraction form
38,963,214.72/53,765,574.40 = 26,378,670.08/x - Step 3: Cross multiply
38,963,214.72x = 53,765,574.40 × 26,378,670.08 - Step 4: Simplify right side
38,963,214.72x = 1,418,264,348,759,293.75 - Step 5: Solve for x
x = 1,418,264,348,759,293.75/38,963,214.72 - Step 6: Final answer
x = 36,400,085.54
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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.