Finding the Fourth Proportional to 9,742,654.76, 13,444,889.10 and 5,392,041.08
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Solution
The fourth proportional to 9,742,654.76, 13,444,889.10 and 5,392,041.08 is: 7,441,030.82
Step by Step Solution
- Step 1: Write the proportion equation
9,742,654.76 : 13,444,889.10 = 5,392,041.08 : x - Step 2: Convert to fraction form
9,742,654.76/13,444,889.10 = 5,392,041.08/x - Step 3: Cross multiply
9,742,654.76x = 13,444,889.10 × 5,392,041.08 - Step 4: Simplify right side
9,742,654.76x = 72,495,394,343,244.23 - Step 5: Solve for x
x = 72,495,394,343,244.23/9,742,654.76 - Step 6: Final answer
x = 7,441,030.82
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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.