Finding the Fourth Proportional to 13,943,173.86, 19,243,862.88 and 11,616,376.74
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Solution
The fourth proportional to 13,943,173.86, 19,243,862.88 and 11,616,376.74 is: 16,032,501.88
Step by Step Solution
- Step 1: Write the proportion equation
13,943,173.86 : 19,243,862.88 = 11,616,376.74 : x - Step 2: Convert to fraction form
13,943,173.86/19,243,862.88 = 11,616,376.74/x - Step 3: Cross multiply
13,943,173.86x = 19,243,862.88 × 11,616,376.74 - Step 4: Simplify right side
13,943,173.86x = 223,543,961,146,981.41 - Step 5: Solve for x
x = 223,543,961,146,981.41/13,943,173.86 - Step 6: Final answer
x = 16,032,501.88
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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.