Finding the Fourth Proportional to 15,285,243.80, 22,919,073.95 and 9,143,360.48
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Solution
The fourth proportional to 15,285,243.80, 22,919,073.95 and 9,143,360.48 is: 13,709,781.65
Step by Step Solution
- Step 1: Write the proportion equation
15,285,243.80 : 22,919,073.95 = 9,143,360.48 : x - Step 2: Convert to fraction form
15,285,243.80/22,919,073.95 = 9,143,360.48/x - Step 3: Cross multiply
15,285,243.80x = 22,919,073.95 × 9,143,360.48 - Step 4: Simplify right side
15,285,243.80x = 209,557,355,072,783.59 - Step 5: Solve for x
x = 209,557,355,072,783.59/15,285,243.80 - Step 6: Final answer
x = 13,709,781.65
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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.