Finding the Fourth Proportional to 14,316,627.52, 19,756,653.12 and 7,790,386.24
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Solution
The fourth proportional to 14,316,627.52, 19,756,653.12 and 7,790,386.24 is: 10,750,573.65
Step by Step Solution
- Step 1: Write the proportion equation
14,316,627.52 : 19,756,653.12 = 7,790,386.24 : x - Step 2: Convert to fraction form
14,316,627.52/19,756,653.12 = 7,790,386.24/x - Step 3: Cross multiply
14,316,627.52x = 19,756,653.12 × 7,790,386.24 - Step 4: Simplify right side
14,316,627.52x = 153,911,958,614,501.09 - Step 5: Solve for x
x = 153,911,958,614,501.09/14,316,627.52 - Step 6: Final answer
x = 10,750,573.65
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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.