Finding the Fourth Proportional to 13,009,894.42, 19,513,070.13 and 3,424,470.26
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Solution
The fourth proportional to 13,009,894.42, 19,513,070.13 and 3,424,470.26 is: 5,136,239.09
Step by Step Solution
- Step 1: Write the proportion equation
13,009,894.42 : 19,513,070.13 = 3,424,470.26 : x - Step 2: Convert to fraction form
13,009,894.42/19,513,070.13 = 3,424,470.26/x - Step 3: Cross multiply
13,009,894.42x = 19,513,070.13 × 3,424,470.26 - Step 4: Simplify right side
13,009,894.42x = 66,821,928,341,479.33 - Step 5: Solve for x
x = 66,821,928,341,479.33/13,009,894.42 - Step 6: Final answer
x = 5,136,239.09
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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.