Finding the Fourth Proportional to 8,609,513.60, 11,881,209.12 and 4,742,048.96
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Solution
The fourth proportional to 8,609,513.60, 11,881,209.12 and 4,742,048.96 is: 6,544,071.82
Step by Step Solution
- Step 1: Write the proportion equation
8,609,513.60 : 11,881,209.12 = 4,742,048.96 : x - Step 2: Convert to fraction form
8,609,513.60/11,881,209.12 = 4,742,048.96/x - Step 3: Cross multiply
8,609,513.60x = 11,881,209.12 × 4,742,048.96 - Step 4: Simplify right side
8,609,513.60x = 56,341,275,351,038.51 - Step 5: Solve for x
x = 56,341,275,351,038.51/8,609,513.60 - Step 6: Final answer
x = 6,544,071.82
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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.