Finding the Fourth Proportional to 13,748,529.12, 18,973,286.76 and 7,553,962.18
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Solution
The fourth proportional to 13,748,529.12, 18,973,286.76 and 7,553,962.18 is: 10,424,641.75
Step by Step Solution
- Step 1: Write the proportion equation
13,748,529.12 : 18,973,286.76 = 7,553,962.18 : x - Step 2: Convert to fraction form
13,748,529.12/18,973,286.76 = 7,553,962.18/x - Step 3: Cross multiply
13,748,529.12x = 18,973,286.76 × 7,553,962.18 - Step 4: Simplify right side
13,748,529.12x = 143,323,490,615,334.75 - Step 5: Solve for x
x = 143,323,490,615,334.75/13,748,529.12 - Step 6: Final answer
x = 10,424,641.75
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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.