Finding the Fourth Proportional to 60,830,482.08, 91,246,889.76 and 19,890,075.36
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Solution
The fourth proportional to 60,830,482.08, 91,246,889.76 and 19,890,075.36 is: 29,835,494.50
Step by Step Solution
- Step 1: Write the proportion equation
60,830,482.08 : 91,246,889.76 = 19,890,075.36 : x - Step 2: Convert to fraction form
60,830,482.08/91,246,889.76 = 19,890,075.36/x - Step 3: Cross multiply
60,830,482.08x = 91,246,889.76 × 19,890,075.36 - Step 4: Simplify right side
60,830,482.08x = 1,814,907,513,692,012.25 - Step 5: Solve for x
x = 1,814,907,513,692,012.25/60,830,482.08 - Step 6: Final answer
x = 29,835,494.50
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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.