Finding the Fourth Proportional to 13,163,581.60, 19,742,950.64 and 5,973,386.40
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Solution
The fourth proportional to 13,163,581.60, 19,742,950.64 and 5,973,386.40 is: 8,958,980.65
Step by Step Solution
- Step 1: Write the proportion equation
13,163,581.60 : 19,742,950.64 = 5,973,386.40 : x - Step 2: Convert to fraction form
13,163,581.60/19,742,950.64 = 5,973,386.40/x - Step 3: Cross multiply
13,163,581.60x = 19,742,950.64 × 5,973,386.40 - Step 4: Simplify right side
13,163,581.60x = 117,932,272,848,847.31 - Step 5: Solve for x
x = 117,932,272,848,847.31/13,163,581.60 - Step 6: Final answer
x = 8,958,980.65
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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.