Finding the Fourth Proportional to 6,911,204.24, 9,539,358.81 and 4,011,529.30
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Solution
The fourth proportional to 6,911,204.24, 9,539,358.81 and 4,011,529.30 is: 5,537,011.50
Step by Step Solution
- Step 1: Write the proportion equation
6,911,204.24 : 9,539,358.81 = 4,011,529.30 : x - Step 2: Convert to fraction form
6,911,204.24/9,539,358.81 = 4,011,529.30/x - Step 3: Cross multiply
6,911,204.24x = 9,539,358.81 × 4,011,529.30 - Step 4: Simplify right side
6,911,204.24x = 38,267,417,369,528.13 - Step 5: Solve for x
x = 38,267,417,369,528.13/6,911,204.24 - Step 6: Final answer
x = 5,537,011.50
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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.