Finding the Fourth Proportional to 13,973,148.20, 19,282,746.98 and 7,861,562.12
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Solution
The fourth proportional to 13,973,148.20, 19,282,746.98 and 7,861,562.12 is: 10,848,844.59
Step by Step Solution
- Step 1: Write the proportion equation
13,973,148.20 : 19,282,746.98 = 7,861,562.12 : x - Step 2: Convert to fraction form
13,973,148.20/19,282,746.98 = 7,861,562.12/x - Step 3: Cross multiply
13,973,148.20x = 19,282,746.98 × 7,861,562.12 - Step 4: Simplify right side
13,973,148.20x = 151,592,513,227,512.41 - Step 5: Solve for x
x = 151,592,513,227,512.41/13,973,148.20 - Step 6: Final answer
x = 10,848,844.59
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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.