Finding the Fourth Proportional to 21,355,056.09, 32,038,044.35 and 6,208,987.59
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Solution
The fourth proportional to 21,355,056.09, 32,038,044.35 and 6,208,987.59 is: 9,315,068.94
Step by Step Solution
- Step 1: Write the proportion equation
21,355,056.09 : 32,038,044.35 = 6,208,987.59 : x - Step 2: Convert to fraction form
21,355,056.09/32,038,044.35 = 6,208,987.59/x - Step 3: Cross multiply
21,355,056.09x = 32,038,044.35 × 6,208,987.59 - Step 4: Simplify right side
21,355,056.09x = 198,923,819,745,974.66 - Step 5: Solve for x
x = 198,923,819,745,974.66/21,355,056.09 - Step 6: Final answer
x = 9,315,068.94
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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.