Finding the Fourth Proportional to 13,238,461.09, 18,270,555.62 and 8,014,347.66
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Solution
The fourth proportional to 13,238,461.09, 18,270,555.62 and 8,014,347.66 is: 11,060,695.32
Step by Step Solution
- Step 1: Write the proportion equation
13,238,461.09 : 18,270,555.62 = 8,014,347.66 : x - Step 2: Convert to fraction form
13,238,461.09/18,270,555.62 = 8,014,347.66/x - Step 3: Cross multiply
13,238,461.09x = 18,270,555.62 × 8,014,347.66 - Step 4: Simplify right side
13,238,461.09x = 146,426,584,685,651.47 - Step 5: Solve for x
x = 146,426,584,685,651.47/13,238,461.09 - Step 6: Final answer
x = 11,060,695.32
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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.