Finding the Fourth Proportional to 46,748,779.81, 64,519,724.91 and 26,902,137.31
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Solution
The fourth proportional to 46,748,779.81, 64,519,724.91 and 26,902,137.31 is: 37,128,637.49
Step by Step Solution
- Step 1: Write the proportion equation
46,748,779.81 : 64,519,724.91 = 26,902,137.31 : x - Step 2: Convert to fraction form
46,748,779.81/64,519,724.91 = 26,902,137.31/x - Step 3: Cross multiply
46,748,779.81x = 64,519,724.91 × 26,902,137.31 - Step 4: Simplify right side
46,748,779.81x = 1,735,718,498,732,247.25 - Step 5: Solve for x
x = 1,735,718,498,732,247.25/46,748,779.81 - Step 6: Final answer
x = 37,128,637.49
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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.