Finding the Fourth Proportional to 21,423,852.36, 32,125,649.44 and 8,299,417.64
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Solution
The fourth proportional to 21,423,852.36, 32,125,649.44 and 8,299,417.64 is: 12,445,202.53
Step by Step Solution
- Step 1: Write the proportion equation
21,423,852.36 : 32,125,649.44 = 8,299,417.64 : x - Step 2: Convert to fraction form
21,423,852.36/32,125,649.44 = 8,299,417.64/x - Step 3: Cross multiply
21,423,852.36x = 32,125,649.44 × 8,299,417.64 - Step 4: Simplify right side
21,423,852.36x = 266,624,181,658,792.12 - Step 5: Solve for x
x = 266,624,181,658,792.12/21,423,852.36 - Step 6: Final answer
x = 12,445,202.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.