Finding the Fourth Proportional to 19,545,276.59, 26,973,759.55 and 11,285,686.99
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Solution
The fourth proportional to 19,545,276.59, 26,973,759.55 and 11,285,686.99 is: 15,574,985.90
Step by Step Solution
- Step 1: Write the proportion equation
19,545,276.59 : 26,973,759.55 = 11,285,686.99 : x - Step 2: Convert to fraction form
19,545,276.59/26,973,759.55 = 11,285,686.99/x - Step 3: Cross multiply
19,545,276.59x = 26,973,759.55 × 11,285,686.99 - Step 4: Simplify right side
19,545,276.59x = 304,417,407,224,823.25 - Step 5: Solve for x
x = 304,417,407,224,823.25/19,545,276.59 - Step 6: Final answer
x = 15,574,985.90
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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.