Finding the Fourth Proportional to 38,756,409.42, 58,132,681.74 and 14,493,552.60
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Solution
The fourth proportional to 38,756,409.42, 58,132,681.74 and 14,493,552.60 is: 21,739,606.25
Step by Step Solution
- Step 1: Write the proportion equation
38,756,409.42 : 58,132,681.74 = 14,493,552.60 : x - Step 2: Convert to fraction form
38,756,409.42/58,132,681.74 = 14,493,552.60/x - Step 3: Cross multiply
38,756,409.42x = 58,132,681.74 × 14,493,552.60 - Step 4: Simplify right side
38,756,409.42x = 842,549,080,577,749.50 - Step 5: Solve for x
x = 842,549,080,577,749.50/38,756,409.42 - Step 6: Final answer
x = 21,739,606.25
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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.