Finding the Fourth Proportional to 14,192,802.86, 19,586,075.53 and 7,666,432.19
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Solution
The fourth proportional to 14,192,802.86, 19,586,075.53 and 7,666,432.19 is: 10,579,680.52
Step by Step Solution
- Step 1: Write the proportion equation
14,192,802.86 : 19,586,075.53 = 7,666,432.19 : x - Step 2: Convert to fraction form
14,192,802.86/19,586,075.53 = 7,666,432.19/x - Step 3: Cross multiply
14,192,802.86x = 19,586,075.53 × 7,666,432.19 - Step 4: Simplify right side
14,192,802.86x = 150,155,319,918,963.31 - Step 5: Solve for x
x = 150,155,319,918,963.31/14,192,802.86 - Step 6: Final answer
x = 10,579,680.52
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1.5x scale
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.