Finding the Fourth Proportional to 51,272,679.06, 70,756,291.80 and 27,751,211.73
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Solution
The fourth proportional to 51,272,679.06, 70,756,291.80 and 27,751,211.73 is: 38,296,669.32
Step by Step Solution
- Step 1: Write the proportion equation
51,272,679.06 : 70,756,291.80 = 27,751,211.73 : x - Step 2: Convert to fraction form
51,272,679.06/70,756,291.80 = 27,751,211.73/x - Step 3: Cross multiply
51,272,679.06x = 70,756,291.80 × 27,751,211.73 - Step 4: Simplify right side
51,272,679.06x = 1,963,572,834,971,462.75 - Step 5: Solve for x
x = 1,963,572,834,971,462.75/51,272,679.06 - Step 6: Final answer
x = 38,296,669.32
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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.