Finding the Fourth Proportional to 27,219,139.70, 40,828,709.55 and 22,495,219.70
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Solution
The fourth proportional to 27,219,139.70, 40,828,709.55 and 22,495,219.70 is: 33,742,829.55
Step by Step Solution
- Step 1: Write the proportion equation
27,219,139.70 : 40,828,709.55 = 22,495,219.70 : x - Step 2: Convert to fraction form
27,219,139.70/40,828,709.55 = 22,495,219.70/x - Step 3: Cross multiply
27,219,139.70x = 40,828,709.55 × 22,495,219.70 - Step 4: Simplify right side
27,219,139.70x = 918,450,791,394,738 - Step 5: Solve for x
x = 918,450,791,394,738/27,219,139.70 - Step 6: Final answer
x = 33,742,829.55
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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.