Finding the Fourth Proportional to 22,556,089.74, 31,126,569.93 and 12,242,593.02
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Solution
The fourth proportional to 22,556,089.74, 31,126,569.93 and 12,242,593.02 is: 16,894,325.75
Step by Step Solution
- Step 1: Write the proportion equation
22,556,089.74 : 31,126,569.93 = 12,242,593.02 : x - Step 2: Convert to fraction form
22,556,089.74/31,126,569.93 = 12,242,593.02/x - Step 3: Cross multiply
22,556,089.74x = 31,126,569.93 × 12,242,593.02 - Step 4: Simplify right side
22,556,089.74x = 381,069,927,761,559.88 - Step 5: Solve for x
x = 381,069,927,761,559.88/22,556,089.74 - Step 6: Final answer
x = 16,894,325.75
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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.