Finding the Fourth Proportional to 19,201,545.12, 26,495,955.97 and 11,361,297.75
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Solution
The fourth proportional to 19,201,545.12, 26,495,955.97 and 11,361,297.75 is: 15,677,303.21
Step by Step Solution
- Step 1: Write the proportion equation
19,201,545.12 : 26,495,955.97 = 11,361,297.75 : x - Step 2: Convert to fraction form
19,201,545.12/26,495,955.97 = 11,361,297.75/x - Step 3: Cross multiply
19,201,545.12x = 26,495,955.97 × 11,361,297.75 - Step 4: Simplify right side
19,201,545.12x = 301,028,444,946,060.06 - Step 5: Solve for x
x = 301,028,444,946,060.06/19,201,545.12 - Step 6: Final answer
x = 15,677,303.21
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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.