Finding the Fourth Proportional to 42,645,959.97, 63,968,888.07 and 13,892,048.61
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Solution
The fourth proportional to 42,645,959.97, 63,968,888.07 and 13,892,048.61 is: 20,838,056.01
Step by Step Solution
- Step 1: Write the proportion equation
42,645,959.97 : 63,968,888.07 = 13,892,048.61 : x - Step 2: Convert to fraction form
42,645,959.97/63,968,888.07 = 13,892,048.61/x - Step 3: Cross multiply
42,645,959.97x = 63,968,888.07 × 13,892,048.61 - Step 4: Simplify right side
42,645,959.97x = 888,658,902,596,089 - Step 5: Solve for x
x = 888,658,902,596,089/42,645,959.97 - Step 6: Final answer
x = 20,838,056.01
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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.