Finding the Fourth Proportional to 43,116,973.99, 64,685,655.47 and 13,970,764.85
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Solution
The fourth proportional to 43,116,973.99, 64,685,655.47 and 13,970,764.85 is: 20,959,450.49
Step by Step Solution
- Step 1: Write the proportion equation
43,116,973.99 : 64,685,655.47 = 13,970,764.85 : x - Step 2: Convert to fraction form
43,116,973.99/64,685,655.47 = 13,970,764.85/x - Step 3: Cross multiply
43,116,973.99x = 64,685,655.47 × 13,970,764.85 - Step 4: Simplify right side
43,116,973.99x = 903,708,081,450,984.88 - Step 5: Solve for x
x = 903,708,081,450,984.88/43,116,973.99 - Step 6: Final answer
x = 20,959,450.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.