Finding the Fourth Proportional to 15,448,009.95, 21,319,252.20 and 8,572,491.99
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Solution
The fourth proportional to 15,448,009.95, 21,319,252.20 and 8,572,491.99 is: 11,830,593.02
Step by Step Solution
- Step 1: Write the proportion equation
15,448,009.95 : 21,319,252.20 = 8,572,491.99 : x - Step 2: Convert to fraction form
15,448,009.95/21,319,252.20 = 8,572,491.99/x - Step 3: Cross multiply
15,448,009.95x = 21,319,252.20 × 8,572,491.99 - Step 4: Simplify right side
15,448,009.95x = 182,759,118,717,289.88 - Step 5: Solve for x
x = 182,759,118,717,289.88/15,448,009.95 - Step 6: Final answer
x = 11,830,593.02
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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.