Finding the Fourth Proportional to 21,898,038.12, 32,844,946.14 and 6,747,901.80
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Solution
The fourth proportional to 21,898,038.12, 32,844,946.14 and 6,747,901.80 is: 10,121,202.18
Step by Step Solution
- Step 1: Write the proportion equation
21,898,038.12 : 32,844,946.14 = 6,747,901.80 : x - Step 2: Convert to fraction form
21,898,038.12/32,844,946.14 = 6,747,901.80/x - Step 3: Cross multiply
21,898,038.12x = 32,844,946.14 × 6,747,901.80 - Step 4: Simplify right side
21,898,038.12x = 221,634,471,179,009.06 - Step 5: Solve for x
x = 221,634,471,179,009.06/21,898,038.12 - Step 6: Final answer
x = 10,121,202.18
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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.