Finding the Fourth Proportional to 13,256,044.18, 19,877,783.88 and 4,617,131.74
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Solution
The fourth proportional to 13,256,044.18, 19,877,783.88 and 4,617,131.74 is: 6,923,509.43
Step by Step Solution
- Step 1: Write the proportion equation
13,256,044.18 : 19,877,783.88 = 4,617,131.74 : x - Step 2: Convert to fraction form
13,256,044.18/19,877,783.88 = 4,617,131.74/x - Step 3: Cross multiply
13,256,044.18x = 19,877,783.88 × 4,617,131.74 - Step 4: Simplify right side
13,256,044.18x = 91,778,346,873,208.34 - Step 5: Solve for x
x = 91,778,346,873,208.34/13,256,044.18 - Step 6: Final answer
x = 6,923,509.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.