Finding the Fourth Proportional to 13,049,831.04, 19,574,943.40 and 4,530,438.18
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Solution
The fourth proportional to 13,049,831.04, 19,574,943.40 and 4,530,438.18 is: 6,795,725.61
Step by Step Solution
- Step 1: Write the proportion equation
13,049,831.04 : 19,574,943.40 = 4,530,438.18 : x - Step 2: Convert to fraction form
13,049,831.04/19,574,943.40 = 4,530,438.18/x - Step 3: Cross multiply
13,049,831.04x = 19,574,943.40 × 4,530,438.18 - Step 4: Simplify right side
13,049,831.04x = 88,683,070,950,699 - Step 5: Solve for x
x = 88,683,070,950,699/13,049,831.04 - Step 6: Final answer
x = 6,795,725.61
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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.