Finding the Fourth Proportional to 43,433,955.80, 65,153,395.93 and 13,892,740.79
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Solution
The fourth proportional to 43,433,955.80, 65,153,395.93 and 13,892,740.79 is: 20,839,898.75
Step by Step Solution
- Step 1: Write the proportion equation
43,433,955.80 : 65,153,395.93 = 13,892,740.79 : x - Step 2: Convert to fraction form
43,433,955.80/65,153,395.93 = 13,892,740.79/x - Step 3: Cross multiply
43,433,955.80x = 65,153,395.93 × 13,892,740.79 - Step 4: Simplify right side
43,433,955.80x = 905,159,241,243,730.88 - Step 5: Solve for x
x = 905,159,241,243,730.88/43,433,955.80 - Step 6: Final answer
x = 20,839,898.75
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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.