Finding the Fourth Proportional to 54,377,420.30, 81,563,918.36 and 13,435,828.40
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Solution
The fourth proportional to 54,377,420.30, 81,563,918.36 and 13,435,828.40 is: 20,153,196.02
Step by Step Solution
- Step 1: Write the proportion equation
54,377,420.30 : 81,563,918.36 = 13,435,828.40 : x - Step 2: Convert to fraction form
54,377,420.30/81,563,918.36 = 13,435,828.40/x - Step 3: Cross multiply
54,377,420.30x = 81,563,918.36 × 13,435,828.40 - Step 4: Simplify right side
54,377,420.30x = 1,095,878,810,241,570.75 - Step 5: Solve for x
x = 1,095,878,810,241,570.75/54,377,420.30 - Step 6: Final answer
x = 20,153,196.02
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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.