Finding the Fourth Proportional to 21,480,600.78, 32,221,963.26 and 6,130,152.99
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Solution
The fourth proportional to 21,480,600.78, 32,221,963.26 and 6,130,152.99 is: 9,195,532.59
Step by Step Solution
- Step 1: Write the proportion equation
21,480,600.78 : 32,221,963.26 = 6,130,152.99 : x - Step 2: Convert to fraction form
21,480,600.78/32,221,963.26 = 6,130,152.99/x - Step 3: Cross multiply
21,480,600.78x = 32,221,963.26 × 6,130,152.99 - Step 4: Simplify right side
21,480,600.78x = 197,525,564,421,959.16 - Step 5: Solve for x
x = 197,525,564,421,959.16/21,480,600.78 - Step 6: Final answer
x = 9,195,532.59
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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.