Finding the Fourth Proportional to 10,781,554.14, 14,878,751.87 and 5,886,970.22
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Solution
The fourth proportional to 10,781,554.14, 14,878,751.87 and 5,886,970.22 is: 8,124,132.02
Step by Step Solution
- Step 1: Write the proportion equation
10,781,554.14 : 14,878,751.87 = 5,886,970.22 : x - Step 2: Convert to fraction form
10,781,554.14/14,878,751.87 = 5,886,970.22/x - Step 3: Cross multiply
10,781,554.14x = 14,878,751.87 × 5,886,970.22 - Step 4: Simplify right side
10,781,554.14x = 87,590,769,221,373.62 - Step 5: Solve for x
x = 87,590,769,221,373.62/10,781,554.14 - Step 6: Final answer
x = 8,124,132.02
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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.