Finding the Fourth Proportional to 49,063,739.19, 67,708,407.89 and 27,038,028.90
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Solution
The fourth proportional to 49,063,739.19, 67,708,407.89 and 27,038,028.90 is: 37,312,726.66
Step by Step Solution
- Step 1: Write the proportion equation
49,063,739.19 : 67,708,407.89 = 27,038,028.90 : x - Step 2: Convert to fraction form
49,063,739.19/67,708,407.89 = 27,038,028.90/x - Step 3: Cross multiply
49,063,739.19x = 67,708,407.89 × 27,038,028.90 - Step 4: Simplify right side
49,063,739.19x = 1,830,701,889,302,808 - Step 5: Solve for x
x = 1,830,701,889,302,808/49,063,739.19 - Step 6: Final answer
x = 37,312,726.66
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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.